CVE-2022-22823

CriticalCVSS 9.8/10Last modified Oct 14, 2026

Description

build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Jan 10, 2022
Last modified
Oct 14, 2026
NVD status
Modified

Related CVEs from 2022

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CVE-2022-22823: Critical severity, CVSS 9.8 | Vulnix