CVE-2025-15281

HIGH

glibc 2.0-2.42 - Use of Uninitialized Resource in wordexp with WRDE_REUSE and WRDE_APPEND

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/01/20/3

Scores

CVSS v3 7.5
EPSS 0.0029
EPSS Percentile 20.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-908
Status published
Products (1)
gnu/glibc 2.0 - 2.43
Published Jan 20, 2026
Tracked Since Feb 18, 2026