CVE-2022-43680

HighCVSS 7.5/10Last modified Oct 14, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Oct 24, 2022
Last modified: Oct 14, 2026
NVD status: Modified

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