CVE-2026-76957 — libexpat project / libexpat

CVE-2026-76957

libexpat project / libexpat PUBLISHED

Description (CNA)

libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.

Affected (CNA)

Vendor / product	Versions
libexpat project / libexpat	affected 0 before 2.8.4

CWE

CWE-416

References

https://github.com/libexpat/libexpat/pull/1322
https://github.com/libexpat/libexpat/pull/1329

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.