CVE-2026-56131

MediumCVSS 4.9/10Last modified Jun 23, 2026

Description

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).

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Jun 19, 2026
Last modified: Jun 23, 2026
NVD status: Analyzed

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