Low 2.1Published Aug 10, 2026

CVE-2026-6368wordexp with WRDE_APPEND can return or use invalid memory

Updated under an hour ago (2026-10-19 06:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 2.1 LOW (v4.0, CNA)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
Weakness (CWE): CWE-908
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: glibc
NVD analysis: Awaiting Analysis
Record last updated: Aug 12, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

glibc glibc glibc:glibc (from the name)	from 1.93-260 before 2.43	CNA record

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.