USN-8044-2

It was discovered that alsa-lib incorrectly handled the topology mixer control decoder. A local attacker could use a specially crafted topology file to cause alsa-lib to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:20.04:LTS / alsa-lib

Package

Name: alsa-lib
Purl: pkg:deb/ubuntu/alsa-lib?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.2-2.1ubuntu2.5+esm1

Affected versions

1.*

1.1.9-0ubuntu1

1.2.1.2-2ubuntu2

1.2.2-2ubuntu1

1.2.2-2.1

1.2.2-2.1ubuntu1

1.2.2-2.1ubuntu2

1.2.2-2.1ubuntu2.1

1.2.2-2.1ubuntu2.2

1.2.2-2.1ubuntu2.3

1.2.2-2.1ubuntu2.4

1.2.2-2.1ubuntu2.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libasound2",
            "binary_version": "1.2.2-2.1ubuntu2.5+esm1"
        },
        {
            "binary_name": "libasound2-data",
            "binary_version": "1.2.2-2.1ubuntu2.5+esm1"
        },
        {
            "binary_name": "libasound2-plugin-smixer",
            "binary_version": "1.2.2-2.1ubuntu2.5+esm1"
        },
        {
            "binary_name": "libatopology2",
            "binary_version": "1.2.2-2.1ubuntu2.5+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8044-2.json"

cves_map

{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-25068",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}