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JLSEC-2026-1225 Medium 4.9

JLSEC-2026-1225

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JLSEC Published
Modified
Severity
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Packages
Expat_jll < 2.8.2+0
Upstream
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 use-after-free can occur (similar to the CVE-2026-50219 situation).

References