VULNERABILITY INTELLIGENCE

CVE-2022-43680

CVSS score7.5 HIGH

EPSS probability3.16%

CISA KEVNot currently listed

Published2022-10-24

Last modified2026-10-14

Description

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.