CVE-2026-76957

ADVISORY - nist

Summary

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.

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-416⁠

Use After Free

Impacted images

Advisories

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