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.
Scores
CVSS v3
7.5
EPSS
0.0007
EPSS Percentile
21.0%
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