Use After Free

Overview Affected versions of this package are vulnerable to Use After Free due to missing handler call depth tracking when invoking XMLResumeParser from within handlers in cases of a policy violation. An attacker can cause memory corruption or potentially execute arbitrary code by triggering a...

CVE-2026-50219

libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XMLParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,...