CVE-2026-6368

wordexp with WRDE_APPEND can return or use invalid memory

State: Published
Severity: 2.1 Low
Published: Aug 10, 2026
Updated: Aug 12, 2026
Reserved: Apr 15, 2026

Description

Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to return invalid memory in the we_wordv member, which on subsequent calls to wordfree may abort the process.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/S:P/AU:Y/U:Green	glibc

Weaknesses

CWE-908 Use of uninitialized resource

Affected Products

Product	Versions
glibcglibc	1.93-260 to before 2.43Affected

References

https://sourceware.org/bugzilla/show_bug.cgi?id=34090issue-tracking
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014;h=1e9a0039f07471ddfe6816e5df04875bec409f92;hb=HEADvendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.