libexpat before 2.8.2 lacks handler call depth tracking for calls to XMLGetBuffer, XMLParse, XMLParseBuffer, XMLParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-50219.json"