CVE-2026-56131

CVE-2026-56131CVE-2026-56131

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).

Scoring

CVSS 4.9 ()
VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Last modified2026-06-19
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.