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.

Attack Vector Local

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
glibc glibc unaffected
Version Status Constraints
1.93-260 affected < 2.43

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sourceware.org/bugzilla/show_bug.cgi?id=34090 cve-icon
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014;h=1e9a0039f07471ddfe6816e5df04875bec409f92;hb=HEAD cve-icon
History

Mon, 10 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title wordexp with WRDE_APPEND can return or use invalid memory
Weaknesses CWE-908
References
Metrics cvssV4_0

{'score': 2.1, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: glibc

Published:

Updated: 2026-08-10T18:40:11.601Z

Reserved: 2026-04-15T15:07:08.926Z

Link: CVE-2026-6368

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-08-10T20:45:05Z

Weaknesses