CVE-2026-56131

CVSS 4.9 MEDIUMEPSS 0.1%CWE-416

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).

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

Produtos afetados

libexpat project · libexpat

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Referências

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