UBUNTU-CVE-2026-2641

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Source
https://ubuntu.com/security/CVE-2026-2641
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-2641
Upstream
Published
2026-02-18T06:16:00Z
Modified
2026-05-20T16:24:49.403231800Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

References

Affected packages

Ubuntu:20.04:LTS / universal-ctags

Package

Name
universal-ctags
Purl
pkg:deb/ubuntu/universal-ctags?arch=source&distro=focal

Affected ranges

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

Affected versions

Other
0+git20181215-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "universal-ctags",
            "binary_version": "0+git20181215-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json"

Ubuntu:22.04:LTS / universal-ctags

Package

Name
universal-ctags
Purl
pkg:deb/ubuntu/universal-ctags?arch=source&distro=jammy

Affected ranges

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

Affected versions

5.*
5.9.20210829.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "universal-ctags",
            "binary_version": "5.9.20210829.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json"

Ubuntu:24.04:LTS / universal-ctags

Package

Name
universal-ctags
Purl
pkg:deb/ubuntu/universal-ctags?arch=source&distro=noble

Affected ranges

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

Affected versions

5.*
5.9.20210829.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "universal-ctags",
            "binary_version": "5.9.20210829.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json"

Ubuntu:25.10 / universal-ctags

Package

Name
universal-ctags
Purl
pkg:deb/ubuntu/universal-ctags?arch=source&distro=questing

Affected ranges

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

Affected versions

5.*
5.9.20210829.0-2
5.9.20210829.0-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "universal-ctags",
            "binary_version": "5.9.20210829.0-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json"

Ubuntu:26.04:LTS / universal-ctags

Package

Name
universal-ctags
Purl
pkg:deb/ubuntu/universal-ctags?arch=source&distro=resolute

Affected ranges

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

Affected versions

5.*
5.9.20210829.0-2build1
6.*
6.2.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "universal-ctags",
            "binary_version": "6.2.1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2641.json"