MEDIUM 6.1 Microsoft

CVE-2025-14104

Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames

Microsoft Security Update 2025-Dec: Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames

Affected Products

cbl2 util-linux 2.37.4-9 on CBL Mariner 2.0
cbl2 util-linux 2.37.4-10 on CBL Mariner 2.0
azl3 util-linux 2.40.2-1 on Azure Linux 3.0
azl3 util-linux 2.40.2-3 on Azure Linux 3.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-14104
https://nvd.nist.gov/vuln/detail/CVE-2025-14104

Published: 2025-12-09 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 6.1 was published on 2025-12-09 via Microsoft. Affected: cbl2 util-linux 2.37.4-9 on CBL Mariner 2.0, cbl2 util-linux 2.37.4-10 on CBL Mariner 2.0, azl3 util-linux 2.40.2-1 on Azure Linux 3.0 and 1 more.

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