What’s Vulnerable › Vulnerabilities
CVE-2026-50219
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-04 · updated 2026-07-22
- Weakness: CWE-416
Description
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,
Affected products
- libexpat project libexpat: before 2.8.2 — fixed in 2.8.2
How to fix
Upgrade to a fixed version: libexpat project libexpat 2.8.2. Check the vendor advisory for mitigations.
References
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