USN-7916-2

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Source
https://ubuntu.com/security/notices/USN-7916-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7916-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7916-2
Upstream
Published
2026-01-15T10:14:45Z
Modified
2026-02-10T04:50:46Z
Summary
python-apt regression
Details

USN-7916-1 fixed a vulnerability in python-apt. The update had a PEP 440 incompatible version. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

Julian Andres Klode discovered that python-apt incorrectly handled deb822 configuration files. An attacker could use this issue to cause python-apt to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:Pro:20.04:LTS / python-apt

Package

Name
python-apt
Purl
pkg:deb/ubuntu/python-apt@2.0.1ubuntu0.20.04.2esm2?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.1ubuntu0.20.04.2esm2

Affected versions

1.*
1.9.0ubuntu1
1.9.0ubuntu3
1.9.0ubuntu5
1.9.3ubuntu2
1.9.5
1.9.5build1
1.9.7
1.9.8
1.9.10
2.*
2.0.0
2.0.0ubuntu0.20.04.1
2.0.0ubuntu0.20.04.2
2.0.0ubuntu0.20.04.3
2.0.0ubuntu0.20.04.4
2.0.0ubuntu0.20.04.5
2.0.0ubuntu0.20.04.6
2.0.0ubuntu0.20.04.7
2.0.0ubuntu0.20.04.8
2.0.1
2.0.1ubuntu0.20.04.1
2.0.1ubuntu0.20.04.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.0.1ubuntu0.20.04.2esm2",
            "binary_name": "python-apt"
        },
        {
            "binary_version": "2.0.1ubuntu0.20.04.2esm2",
            "binary_name": "python-apt-common"
        },
        {
            "binary_version": "2.0.1ubuntu0.20.04.2esm2",
            "binary_name": "python-apt-dev"
        },
        {
            "binary_version": "2.0.1ubuntu0.20.04.2esm2",
            "binary_name": "python3-apt"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2025-6966"
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7916-2.json"