glibc <=2.43 wordexp WRDE_APPEND Return Invalid Memory
CVE-2026-6368 Published on August 10, 2026
wordexp with WRDE_APPEND can return or use invalid memory
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.
Vulnerability Analysis
CVE-2026-6368 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Use of Uninitialized Resource
The software uses or accesses a resource that has not been initialized. When a resource has not been properly initialized, the software may behave unexpectedly. This may lead to a crash or invalid memory access, but the consequences vary depending on the type of resource and how it is used within the software.
Products Associated with CVE-2026-6368
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Affected Versions
glibc:- Version 1.93-260 and below 2.43 is affected.