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CVE-2026-6368

wordexp with WRDE_APPEND can return or use invalid memory

LOW
2.1
CVSS Score
Published: August 10, 2026 at 06:40 PM UTC
Updated: September 3, 2026 at 04:54 PM UTC
1 product affected across 1 vendorGNU C Library (glibc)

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Severity
LOW2.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

GNU C Library (glibc)· Glibc
60%
1.93-260 ≤ v < 2.431.93-260
Affected range stops below 2.43, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Issue Tracking
Source: cverecord
https://sourceware.org/bugzilla/show_bug.cgi?id=34090
Vendor Advisory
Source: cverecord
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2026-0014;h=1e9a0039f07471ddfe6816e5df04875bec409f92;hb=HEAD

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.1LOWglibc
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-908

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