UBUNTU-CVE-2026-41082

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Source
https://ubuntu.com/security/CVE-2026-41082
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-41082
Upstream
Downstream
Related
Published
2026-04-17T00:00:00Z
Modified
2026-05-14T12:22:05.412816776Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In OCaml opam before 2.5.1, a .install field containing a destination filepath can use ../ to reach a parent directory.

References

Affected packages

Ubuntu:16.04:LTS
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.2.2-3
1.2.2-3build1
1.2.2-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.2.2-4",
            "binary_name": "opam"
        },
        {
            "binary_version": "1.2.2-4",
            "binary_name": "opam-docs"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:18.04:LTS
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.2.2-6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.2.2-6",
            "binary_name": "opam"
        },
        {
            "binary_version": "1.2.2-6",
            "binary_name": "opam-docs"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:22.04:LTS
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.2-1+deb12u1build0.22.04.1

Affected versions

2.*
2.0.8-1
2.0.10-1
2.1.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.1.2-1+deb12u1build0.22.04.1",
            "binary_name": "opam"
        },
        {
            "binary_version": "2.1.2-1+deb12u1build0.22.04.1",
            "binary_name": "opam-installer"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:25.10
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-1+deb13u1build0.25.10.1

Affected versions

2.*
2.3.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.3.0-1+deb13u1build0.25.10.1",
            "binary_name": "opam"
        },
        {
            "binary_version": "2.3.0-1+deb13u1build0.25.10.1",
            "binary_name": "opam-installer"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:Pro:20.04:LTS
opam

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.5-1ubuntu1+esm1

Affected versions

2.*
2.0.5-1
2.0.5-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.5-1ubuntu1+esm1",
            "binary_name": "opam"
        },
        {
            "binary_version": "2.0.5-1ubuntu1+esm1",
            "binary_name": "opam-installer"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:Pro:24.04:LTS
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.5-1ubuntu0.1~esm2

Affected versions

2.*
2.1.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.1.5-1ubuntu0.1~esm2",
            "binary_name": "opam"
        },
        {
            "binary_version": "2.1.5-1ubuntu0.1~esm2",
            "binary_name": "opam-installer"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"
Ubuntu:Pro:26.04:LTS
opam

Package

Name
opam
Purl
pkg:deb/ubuntu/opam?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.0-1ubuntu0.1~esm1

Affected versions

2.*
2.3.0-1
2.4.1-1
2.5.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.5.0-1ubuntu0.1~esm1",
            "binary_name": "opam"
        },
        {
            "binary_version": "2.5.0-1ubuntu0.1~esm1",
            "binary_name": "opam-installer"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41082.json"