CVE-2026-56131: 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…

PriorityP421medium4.9CVSS 3.1

AVLACHPRNUINSUCLILAL

EPSS

0.14%

3.3th percentile

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

1 ranges

Vendor	Product	Version range	Fixed in
libexpat_project	libexpat	< 2.8.2	2.8.2

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