UBUNTU-CVE-2026-37461

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Source
https://ubuntu.com/security/CVE-2026-37461
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-37461
Upstream
Downstream
Related
Published
2026-05-04T17:16:00Z
Modified
2026-06-03T09:15:12.433512188Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An out-of-bounds read in the ParseIP6Extended function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

References

Affected packages

Ubuntu:25.10
gobgp

Package

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

Affected ranges

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

Affected versions

3.*
3.35.0-1
3.36.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gobgpd",
            "binary_version": "3.36.0-2"
        },
        {
            "binary_name": "golang-github-osrg-gobgp-dev",
            "binary_version": "3.36.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"
Ubuntu:Pro:18.04:LTS
gobgp

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.29-1ubuntu0.1+esm2

Affected versions

1.*
1.15-1
1.29-1
1.29-1ubuntu0.1+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.29-1ubuntu0.1+esm2",
            "binary_name": "gobgpd"
        },
        {
            "binary_version": "1.29-1ubuntu0.1+esm2",
            "binary_name": "golang-github-osrg-gobgp-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"
Ubuntu:Pro:20.04:LTS
gobgp

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.12.0-1ubuntu0.1~esm3

Affected versions

1.*
1.33-1
2.*
2.11.0-1
2.12.0-1
2.12.0-1ubuntu0.1~esm1
2.12.0-1ubuntu0.1~esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "gobgpd",
            "binary_version": "2.12.0-1ubuntu0.1~esm3"
        },
        {
            "binary_name": "golang-github-osrg-gobgp-dev",
            "binary_version": "2.12.0-1ubuntu0.1~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"
Ubuntu:Pro:22.04:LTS
gobgp

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.25.0-3ubuntu0.1+esm4

Affected versions

2.*
2.25.0-2
2.25.0-3
2.25.0-3build1
2.25.0-3ubuntu0.1
2.25.0-3ubuntu0.1+esm1
2.25.0-3ubuntu0.1+esm2
2.25.0-3ubuntu0.1+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.25.0-3ubuntu0.1+esm4",
            "binary_name": "gobgpd"
        },
        {
            "binary_name": "golang-github-osrg-gobgp-dev",
            "binary_version": "2.25.0-3ubuntu0.1+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"
Ubuntu:Pro:24.04:LTS
gobgp

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.23.0-1ubuntu0.3+esm4

Affected versions

3.*
3.16.0-1build1
3.19.0-1
3.21.0-1
3.23.0-1
3.23.0-1ubuntu0.1
3.23.0-1ubuntu0.2
3.23.0-1ubuntu0.2+esm1
3.23.0-1ubuntu0.3
3.23.0-1ubuntu0.3+esm1
3.23.0-1ubuntu0.3+esm2
3.23.0-1ubuntu0.3+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "gobgpd",
            "binary_version": "3.23.0-1ubuntu0.3+esm4"
        },
        {
            "binary_name": "golang-github-osrg-gobgp-dev",
            "binary_version": "3.23.0-1ubuntu0.3+esm4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"
Ubuntu:Pro:26.04:LTS
gobgp

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.36.0-2ubuntu0.1~esm1

Affected versions

3.*
3.36.0-2
3.36.0-2build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "gobgpd",
            "binary_version": "3.36.0-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "golang-github-osrg-gobgp-dev",
            "binary_version": "3.36.0-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-37461.json"