Bug 2484620 (CVE-2026-50219) - CVE-2026-50219 expat: libexpat: Use-after-free vulnerability due to improper handler call depth tracking
Summary: CVE-2026-50219 expat: libexpat: Use-after-free vulnerability due to improper ...
Keywords:
Status: NEW
Alias: CVE-2026-50219
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On: 2486181 2486180
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-04 06:01 UTC by OSIDB Bzimport
Modified: 2026-06-08 06:10 UTC (History)
2 users (show)

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Description OSIDB Bzimport 2026-06-04 06:01:30 UTC 
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,
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