CVE-2026-50219

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation, causing a use-after-free. Affected: libexpat prior to 2.8.2. Impact is described as a MEDIUM-seve...

PT-2026-46147

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML GetBuffer, XML Parse, XML ParseBuffer, XML ParserFree, or XML ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,...