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CVE-2026-50219

4.9 MEDIUM

libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_Pa...

Published: 2026-06-04 · Last updated: 2026-06-04

Severity and scoring

CVSS
4.9 MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE
CWE-416

Affected products

VendorProduct
libexpat_projectlibexpat

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,

Source: NVD

References

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