HIGH 7.5 Microsoft

CVE-2022-43680

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.

Microsoft Security Update 2022-Oct: 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.

Affected Products

References

Published: 2022-10-11 · Source: Microsoft · Feed updated: 2026-09-03
This high severity vulnerability with a CVSS score of 7.5 was published on 2022-10-11 via Microsoft. Affected: cm1 expat 2.5.0-1 on CBL Mariner 1.0, cbl2 expat 2.5.0-1 on CBL Mariner 2.0.
vulnfeed aggregates 9119 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.