CVE-2025-15281 Affecting glibc package, versions <2.42-11


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.46% (39th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-GLIBC-15044344
  • published21 Jan 2026
  • disclosed20 Jan 2026

Introduced: 20 Jan 2026

CVE-2025-15281  (opens in a new tab)

How to fix?

Upgrade Debian:unstable glibc to version 2.42-11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Calling wordexp with WRDE_REUSE in conjunction with WRDE_APPEND in the GNU C Library version 2.0 to version 2.42 may cause the interface to return uninitialized memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.

CVSS Base Scores

version 3.1