UBUNTU-CVE-2026-42501

Source
https://ubuntu.com/security/CVE-2026-42501
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-42501
Upstream
Published
2026-05-07T20:16:00Z
Modified
2026-05-20T16:13:00.092323798Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A malicious module proxy can exploit a flaw in the go command's validation of module checksums to bypass checksum database validation. This vulnerability affects any user using an untrusted module proxy (GOMODPROXY) or checksum database (GOSUMDB). A malicious module proxy can serve altered versions of the Go toolchain. When selecting a different version of the Go toolchain than the currently installed toolchain (due to the GOTOOLCHAIN environment variable, or a go.work or go.mod with a toolchain line), the go command will download and execute a toolchain provided by the module proxy. A malicious module proxy can bypass checksum database validation for this downloaded toolchain. Since this vulnerability affects the security of toolchain downloads, setting GOTOOLCHAIN to a fixed version is not sufficient. You must upgrade your base Go toolchain. The go tool always validates the hash of a toolchain before executing it, so fixed versions will refuse to execute any cached, altered versions of the toolchain. The go tool trusts go.sum files to contain accurate hashes of the current module's dependencies. A malicious proxy exploiting this vulnerability to serve an altered module will have caused an incorrect hash to be recorded in the go.sum. Users who have configured a non-trusted GOPROXY can determine if they have been affected by running "rm go.sum ; go mod tidy ; go mod verify", which will revalidate all dependencies of the current module. The specific flaw in more detail: The go command consults the checksum database to validate downloaded modules, when a module is not listed in the go.sum file. It verifies that the module hash reported by the checksum database matches the hash of the downloaded module. If, however, the checksum database returns a successful response that contains no entry for the module, the go command incorrectly permitted validation to succeed. A module proxy may mirror or proxy the checksum database, in which case the go command will not connect to the checksum database directly. Checksums reported by the checksum database are cryptographically signed, so a malicious proxy cannot alter the reported checksum for a module. However, a proxy which returns an empty checksum response, or a checksum response for an unrelated module, could cause the go command to proceed as if a downloaded module has been validated.

References

Affected packages

Ubuntu:14.04:LTS
golang-1.10

Package

Name
golang-1.10
Purl
pkg:deb/ubuntu/golang-1.10?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10.4-2ubuntu1~14.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.10.4-2ubuntu1~14.04.1",
            "binary_name": "golang-1.10"
        },
        {
            "binary_name": "golang-1.10-go",
            "binary_version": "1.10.4-2ubuntu1~14.04.1"
        },
        {
            "binary_name": "golang-1.10-src",
            "binary_version": "1.10.4-2ubuntu1~14.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:16.04:LTS
golang-1.10

Package

Name
golang-1.10
Purl
pkg:deb/ubuntu/golang-1.10?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10.4-2ubuntu1~16.04.1
1.10.4-2ubuntu1~16.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.10",
            "binary_version": "1.10.4-2ubuntu1~16.04.2"
        },
        {
            "binary_name": "golang-1.10-go",
            "binary_version": "1.10.4-2ubuntu1~16.04.2"
        },
        {
            "binary_version": "1.10.4-2ubuntu1~16.04.2",
            "binary_name": "golang-1.10-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.6

Package

Name
golang-1.6
Purl
pkg:deb/ubuntu/golang-1.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.6-0ubuntu1
1.6-0ubuntu2
1.6-0ubuntu3
1.6-0ubuntu4
1.6-0ubuntu5
1.6.1-0ubuntu1
1.6.2-0ubuntu5~16.04
1.6.2-0ubuntu5~16.04.2
1.6.2-0ubuntu5~16.04.3
1.6.2-0ubuntu5~16.04.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.6.2-0ubuntu5~16.04.4",
            "binary_name": "golang-1.6"
        },
        {
            "binary_version": "1.6.2-0ubuntu5~16.04.4",
            "binary_name": "golang-1.6-go"
        },
        {
            "binary_version": "1.6.2-0ubuntu5~16.04.4",
            "binary_name": "golang-1.6-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:18.04:LTS
golang-1.10

Package

Name
golang-1.10
Purl
pkg:deb/ubuntu/golang-1.10?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.10~rc1-1
1.10~rc1-1ubuntu1
1.10~rc1-2ubuntu1
1.10~rc2-1ubuntu1
1.10-1ubuntu1
1.10.1-1ubuntu2
1.10.4-2ubuntu1~18.04.1
1.10.4-2ubuntu1~18.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.10",
            "binary_version": "1.10.4-2ubuntu1~18.04.2"
        },
        {
            "binary_name": "golang-1.10-go",
            "binary_version": "1.10.4-2ubuntu1~18.04.2"
        },
        {
            "binary_version": "1.10.4-2ubuntu1~18.04.2",
            "binary_name": "golang-1.10-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.8

Package

Name
golang-1.8
Purl
pkg:deb/ubuntu/golang-1.8?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.8.3-2ubuntu1
1.8.3-2ubuntu1.18.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.8",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
        },
        {
            "binary_name": "golang-1.8-go",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
        },
        {
            "binary_name": "golang-1.8-go-shared-dev",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
        },
        {
            "binary_name": "golang-1.8-src",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
        },
        {
            "binary_name": "libgolang-1.8-std1",
            "binary_version": "1.8.3-2ubuntu1.18.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.9

Package

Name
golang-1.9
Purl
pkg:deb/ubuntu/golang-1.9?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.9.1-2ubuntu1
1.9.2-1ubuntu1
1.9.2-3ubuntu1
1.9.3-1ubuntu1
1.9.4-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.9.4-1ubuntu1",
            "binary_name": "golang-1.9"
        },
        {
            "binary_name": "golang-1.9-go",
            "binary_version": "1.9.4-1ubuntu1"
        },
        {
            "binary_name": "golang-1.9-src",
            "binary_version": "1.9.4-1ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:20.04:LTS
golang-1.13

Package

Name
golang-1.13
Purl
pkg:deb/ubuntu/golang-1.13?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.13.1-1ubuntu1
1.13.3-1ubuntu1
1.13.4-1ubuntu1
1.13.5-1ubuntu1
1.13.6-1ubuntu1
1.13.6-2ubuntu1
1.13.7-1ubuntu1
1.13.8-1ubuntu1
1.13.8-1ubuntu1.1
1.13.8-1ubuntu1.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.13",
            "binary_version": "1.13.8-1ubuntu1.2"
        },
        {
            "binary_name": "golang-1.13-go",
            "binary_version": "1.13.8-1ubuntu1.2"
        },
        {
            "binary_name": "golang-1.13-src",
            "binary_version": "1.13.8-1ubuntu1.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.14

Package

Name
golang-1.14
Purl
pkg:deb/ubuntu/golang-1.14?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.14~beta1-1
1.14~beta1-2
1.14~rc1-1
1.14-1
1.14.1-1
1.14.2-1
1.14.2-1ubuntu1
1.14.3-2ubuntu2~20.04.1
1.14.3-2ubuntu2~20.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.14",
            "binary_version": "1.14.3-2ubuntu2~20.04.2"
        },
        {
            "binary_name": "golang-1.14-go",
            "binary_version": "1.14.3-2ubuntu2~20.04.2"
        },
        {
            "binary_version": "1.14.3-2ubuntu2~20.04.2",
            "binary_name": "golang-1.14-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.18

Package

Name
golang-1.18
Purl
pkg:deb/ubuntu/golang-1.18?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.18.1-1ubuntu1~20.04.1
1.18.1-1ubuntu1~20.04.2
1.18.1-1ubuntu1~20.04.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.18",
            "binary_version": "1.18.1-1ubuntu1~20.04.3"
        },
        {
            "binary_version": "1.18.1-1ubuntu1~20.04.3",
            "binary_name": "golang-1.18-go"
        },
        {
            "binary_name": "golang-1.18-src",
            "binary_version": "1.18.1-1ubuntu1~20.04.3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.20

Package

Name
golang-1.20
Purl
pkg:deb/ubuntu/golang-1.20?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.20.3-1ubuntu0.1~20.04
1.20.3-1ubuntu0.1~20.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.20",
            "binary_version": "1.20.3-1ubuntu0.1~20.04.1"
        },
        {
            "binary_name": "golang-1.20-go",
            "binary_version": "1.20.3-1ubuntu0.1~20.04.1"
        },
        {
            "binary_version": "1.20.3-1ubuntu0.1~20.04.1",
            "binary_name": "golang-1.20-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.21

Package

Name
golang-1.21
Purl
pkg:deb/ubuntu/golang-1.21?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.21.1-1~ubuntu20.04.1
1.21.1-1~ubuntu20.04.2
1.21.1-1~ubuntu20.04.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.21",
            "binary_version": "1.21.1-1~ubuntu20.04.3"
        },
        {
            "binary_name": "golang-1.21-go",
            "binary_version": "1.21.1-1~ubuntu20.04.3"
        },
        {
            "binary_name": "golang-1.21-src",
            "binary_version": "1.21.1-1~ubuntu20.04.3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.22

Package

Name
golang-1.22
Purl
pkg:deb/ubuntu/golang-1.22?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.22.2-2~20.04.1
1.22.2-2~20.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.22.2-2~20.04.2",
            "binary_name": "golang-1.22"
        },
        {
            "binary_name": "golang-1.22-go",
            "binary_version": "1.22.2-2~20.04.2"
        },
        {
            "binary_name": "golang-1.22-src",
            "binary_version": "1.22.2-2~20.04.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:22.04:LTS
golang-1.17

Package

Name
golang-1.17
Purl
pkg:deb/ubuntu/golang-1.17?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.17-1ubuntu2
1.17.3-1ubuntu1
1.17.3-1ubuntu2
1.17.13-3ubuntu1
1.17.13-3ubuntu1.2
1.17.13-3ubuntu1.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.17",
            "binary_version": "1.17.13-3ubuntu1.3"
        },
        {
            "binary_name": "golang-1.17-go",
            "binary_version": "1.17.13-3ubuntu1.3"
        },
        {
            "binary_name": "golang-1.17-src",
            "binary_version": "1.17.13-3ubuntu1.3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.18

Package

Name
golang-1.18
Purl
pkg:deb/ubuntu/golang-1.18?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.18~beta1-0ubuntu1
1.18~beta2-1ubuntu1
1.18~beta2-1ubuntu2
1.18~rc1-1ubuntu1
1.18-1ubuntu1
1.18.1-1ubuntu1
1.18.1-1ubuntu1.1
1.18.1-1ubuntu1.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.18",
            "binary_version": "1.18.1-1ubuntu1.2"
        },
        {
            "binary_name": "golang-1.18-go",
            "binary_version": "1.18.1-1ubuntu1.2"
        },
        {
            "binary_name": "golang-1.18-src",
            "binary_version": "1.18.1-1ubuntu1.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.20

Package

Name
golang-1.20
Purl
pkg:deb/ubuntu/golang-1.20?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.20.3-1ubuntu0.1~22.04
1.20.3-1ubuntu0.1~22.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.20",
            "binary_version": "1.20.3-1ubuntu0.1~22.04.1"
        },
        {
            "binary_name": "golang-1.20-go",
            "binary_version": "1.20.3-1ubuntu0.1~22.04.1"
        },
        {
            "binary_name": "golang-1.20-src",
            "binary_version": "1.20.3-1ubuntu0.1~22.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.21

Package

Name
golang-1.21
Purl
pkg:deb/ubuntu/golang-1.21?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.21.1-1~ubuntu22.04.1
1.21.1-1~ubuntu22.04.2
1.21.1-1~ubuntu22.04.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.21.1-1~ubuntu22.04.3",
            "binary_name": "golang-1.21"
        },
        {
            "binary_version": "1.21.1-1~ubuntu22.04.3",
            "binary_name": "golang-1.21-go"
        },
        {
            "binary_version": "1.21.1-1~ubuntu22.04.3",
            "binary_name": "golang-1.21-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.22

Package

Name
golang-1.22
Purl
pkg:deb/ubuntu/golang-1.22?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.22.2-2~22.04
1.22.2-2~22.04.1
1.22.2-2~22.04.2
1.22.2-2~22.04.3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.22.2-2~22.04.3",
            "binary_name": "golang-1.22"
        },
        {
            "binary_name": "golang-1.22-go",
            "binary_version": "1.22.2-2~22.04.3"
        },
        {
            "binary_name": "golang-1.22-src",
            "binary_version": "1.22.2-2~22.04.3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.23

Package

Name
golang-1.23
Purl
pkg:deb/ubuntu/golang-1.23?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.23.1-1~22.04
1.23.1-1~22.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.23",
            "binary_version": "1.23.1-1~22.04.2"
        },
        {
            "binary_name": "golang-1.23-go",
            "binary_version": "1.23.1-1~22.04.2"
        },
        {
            "binary_name": "golang-1.23-src",
            "binary_version": "1.23.1-1~22.04.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.24

Package

Name
golang-1.24
Purl
pkg:deb/ubuntu/golang-1.24?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.24.4-1ubuntu1~22.04.1
1.24.4-1ubuntu1~22.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.4-1ubuntu1~22.04.2"
        },
        {
            "binary_version": "1.24.4-1ubuntu1~22.04.2",
            "binary_name": "golang-1.24-go"
        },
        {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1~22.04.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:24.04:LTS
golang-1.21

Package

Name
golang-1.21
Purl
pkg:deb/ubuntu/golang-1.21?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.21.1-1
1.21.3-1
1.21.4-1
1.21.5-1
1.21.6-1
1.21.7-1
1.21.7-2
1.21.8-1
1.21.8-1build1
1.21.9-1
1.21.9-1ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.21",
            "binary_version": "1.21.9-1ubuntu0.1"
        },
        {
            "binary_name": "golang-1.21-go",
            "binary_version": "1.21.9-1ubuntu0.1"
        },
        {
            "binary_name": "golang-1.21-src",
            "binary_version": "1.21.9-1ubuntu0.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.22

Package

Name
golang-1.22
Purl
pkg:deb/ubuntu/golang-1.22?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.22~rc1-2
1.22.0-1
1.22.0-2
1.22.1-1
1.22.1-1build1
1.22.2-2
1.22.2-2ubuntu0.1
1.22.2-2ubuntu0.2
1.22.2-2ubuntu0.3
1.22.2-2ubuntu0.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.22.2-2ubuntu0.4",
            "binary_name": "golang-1.22"
        },
        {
            "binary_version": "1.22.2-2ubuntu0.4",
            "binary_name": "golang-1.22-go"
        },
        {
            "binary_name": "golang-1.22-src",
            "binary_version": "1.22.2-2ubuntu0.4"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.23

Package

Name
golang-1.23
Purl
pkg:deb/ubuntu/golang-1.23?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.23.1-1~24.04
1.23.1-1~24.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.23.1-1~24.04.1",
            "binary_name": "golang-1.23"
        },
        {
            "binary_name": "golang-1.23-go",
            "binary_version": "1.23.1-1~24.04.1"
        },
        {
            "binary_name": "golang-1.23-src",
            "binary_version": "1.23.1-1~24.04.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.24

Package

Name
golang-1.24
Purl
pkg:deb/ubuntu/golang-1.24?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.24.4-1ubuntu1~24.04.1
1.24.4-1ubuntu1~24.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.24.4-1ubuntu1~24.04.2",
            "binary_name": "golang-1.24"
        },
        {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.4-1ubuntu1~24.04.2"
        },
        {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1~24.04.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:25.10
golang-1.23

Package

Name
golang-1.23
Purl
pkg:deb/ubuntu/golang-1.23?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.23.8-1
1.23.10-1
1.23.10-1ubuntu0.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.23.10-1ubuntu0.2",
            "binary_name": "golang-1.23"
        },
        {
            "binary_version": "1.23.10-1ubuntu0.2",
            "binary_name": "golang-1.23-go"
        },
        {
            "binary_version": "1.23.10-1ubuntu0.2",
            "binary_name": "golang-1.23-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.24

Package

Name
golang-1.24
Purl
pkg:deb/ubuntu/golang-1.24?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.24.2-1
1.24.2-2
1.24.4-1
1.24.4-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.24",
            "binary_version": "1.24.4-1ubuntu1"
        },
        {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.4-1ubuntu1"
        },
        {
            "binary_name": "golang-1.24-src",
            "binary_version": "1.24.4-1ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.25

Package

Name
golang-1.25
Purl
pkg:deb/ubuntu/golang-1.25?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.25.0-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.25",
            "binary_version": "1.25.0-0ubuntu1"
        },
        {
            "binary_name": "golang-1.25-go",
            "binary_version": "1.25.0-0ubuntu1"
        },
        {
            "binary_name": "golang-1.25-src",
            "binary_version": "1.25.0-0ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:26.04:LTS
golang-1.23

Package

Name
golang-1.23
Purl
pkg:deb/ubuntu/golang-1.23?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.23.10-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.23",
            "binary_version": "1.23.10-1"
        },
        {
            "binary_name": "golang-1.23-go",
            "binary_version": "1.23.10-1"
        },
        {
            "binary_version": "1.23.10-1",
            "binary_name": "golang-1.23-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.24

Package

Name
golang-1.24
Purl
pkg:deb/ubuntu/golang-1.24?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.24.4-1ubuntu1
1.24.9-1
1.24.13-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.24.13-2",
            "binary_name": "golang-1.24"
        },
        {
            "binary_name": "golang-1.24-go",
            "binary_version": "1.24.13-2"
        },
        {
            "binary_version": "1.24.13-2",
            "binary_name": "golang-1.24-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.25

Package

Name
golang-1.25
Purl
pkg:deb/ubuntu/golang-1.25?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.25.0-0ubuntu1
1.25.7-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.25",
            "binary_version": "1.25.7-2"
        },
        {
            "binary_name": "golang-1.25-go",
            "binary_version": "1.25.7-2"
        },
        {
            "binary_name": "golang-1.25-src",
            "binary_version": "1.25.7-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:Pro:16.04:LTS
golang-1.13

Package

Name
golang-1.13
Purl
pkg:deb/ubuntu/golang-1.13?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.13.8-1ubuntu1~16.04.2
1.13.8-1ubuntu1~16.04.3
1.13.8-1ubuntu1~16.04.3+esm2
1.13.8-1ubuntu1~16.04.3+esm3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.13",
            "binary_version": "1.13.8-1ubuntu1~16.04.3+esm3"
        },
        {
            "binary_name": "golang-1.13-go",
            "binary_version": "1.13.8-1ubuntu1~16.04.3+esm3"
        },
        {
            "binary_name": "golang-1.13-src",
            "binary_version": "1.13.8-1ubuntu1~16.04.3+esm3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.18

Package

Name
golang-1.18
Purl
pkg:deb/ubuntu/golang-1.18?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.18.1-1ubuntu1~16.04.6
1.18.1-1ubuntu1~16.04.6+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.18.1-1ubuntu1~16.04.6+esm1",
            "binary_name": "golang-1.18"
        },
        {
            "binary_name": "golang-1.18-go",
            "binary_version": "1.18.1-1ubuntu1~16.04.6+esm1"
        },
        {
            "binary_version": "1.18.1-1ubuntu1~16.04.6+esm1",
            "binary_name": "golang-1.18-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:Pro:18.04:LTS
golang-1.13

Package

Name
golang-1.13
Purl
pkg:deb/ubuntu/golang-1.13?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.13.8-1ubuntu1~18.04.2
1.13.8-1ubuntu1~18.04.3
1.13.8-1ubuntu1~18.04.4
1.13.8-1ubuntu1~18.04.4+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.13.8-1ubuntu1~18.04.4+esm1",
            "binary_name": "golang-1.13"
        },
        {
            "binary_name": "golang-1.13-go",
            "binary_version": "1.13.8-1ubuntu1~18.04.4+esm1"
        },
        {
            "binary_version": "1.13.8-1ubuntu1~18.04.4+esm1",
            "binary_name": "golang-1.13-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.16

Package

Name
golang-1.16
Purl
pkg:deb/ubuntu/golang-1.16?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.16.2-0ubuntu1~18.04.2
1.16.2-0ubuntu1~18.04.2+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.16",
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1"
        },
        {
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1",
            "binary_name": "golang-1.16-go"
        },
        {
            "binary_version": "1.16.2-0ubuntu1~18.04.2+esm1",
            "binary_name": "golang-1.16-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
golang-1.18

Package

Name
golang-1.18
Purl
pkg:deb/ubuntu/golang-1.18?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.18.1-1ubuntu1~18.04.3
1.18.1-1ubuntu1~18.04.4
1.18.1-1ubuntu1~18.04.4+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.18",
            "binary_version": "1.18.1-1ubuntu1~18.04.4+esm1"
        },
        {
            "binary_name": "golang-1.18-go",
            "binary_version": "1.18.1-1ubuntu1~18.04.4+esm1"
        },
        {
            "binary_name": "golang-1.18-src",
            "binary_version": "1.18.1-1ubuntu1~18.04.4+esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:Pro:20.04:LTS
golang-1.16

Package

Name
golang-1.16
Purl
pkg:deb/ubuntu/golang-1.16?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.16.2-0ubuntu1~20.04
1.16.2-0ubuntu1~20.04.1
1.16.2-0ubuntu1~20.04.1+esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1",
            "binary_name": "golang-1.16"
        },
        {
            "binary_name": "golang-1.16-go",
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1"
        },
        {
            "binary_version": "1.16.2-0ubuntu1~20.04.1+esm1",
            "binary_name": "golang-1.16-src"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"
Ubuntu:Pro:22.04:LTS
golang-1.13

Package

Name
golang-1.13
Purl
pkg:deb/ubuntu/golang-1.13?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.13.8-1ubuntu2
1.13.8-1ubuntu2.22.04.1
1.13.8-1ubuntu2.22.04.1+esm1
1.13.8-1ubuntu2.22.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "golang-1.13",
            "binary_version": "1.13.8-1ubuntu2.22.04.2"
        },
        {
            "binary_name": "golang-1.13-go",
            "binary_version": "1.13.8-1ubuntu2.22.04.2"
        },
        {
            "binary_name": "golang-1.13-src",
            "binary_version": "1.13.8-1ubuntu2.22.04.2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-42501.json"