CVE-2026-56131

libexpat project / libexpat PUBLISHED

Description (CNA)

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).

Affected (CNA)

Vendor / product	Versions
libexpat project / libexpat	affected 0 before 2.8.2

CWE

CWE-416

References

https://github.com/libexpat/libexpat/pull/1267

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.