CVE-2022-40674

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

• CWE-416
• CWE-416

• https://github.com/libexpat/libexpat/pull/629Issue Tracking, Patch, Third Party Advisory
• https://github.com/libexpat/libexpat/pull/640Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00029.htmlIssue Tracking, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/
• https://security.gentoo.org/glsa/202209-24Third Party Advisory
• https://security.gentoo.org/glsa/202211-06Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221028-0008/Third Party Advisory
• https://www.debian.org/security/2022/dsa-5236Third Party Advisory
• https://github.com/libexpat/libexpat/pull/629Issue Tracking, Patch, Third Party Advisory
• https://github.com/libexpat/libexpat/pull/640Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00029.htmlIssue Tracking, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GSVZN3IJ6OCPSJL7AEX3ZHSHAHFOGESK/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J2IGJNHFV53PYST7VQV3T4NHVYAMXA36/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LQB6FJAM5YQ35SF5B2MN25Y2FX56EOEZ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WE2ZKEPGFCZ7R6DRVH3K6RBJPT42ZBEG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XCGBVQQ47URGJAZWHCISHDWF6QBTV2LE/
• https://security.gentoo.org/glsa/202209-24Third Party Advisory
• https://security.gentoo.org/glsa/202211-06Third Party Advisory
• https://security.netapp.com/advisory/ntap-20221028-0008/Third Party Advisory
• https://www.debian.org/security/2022/dsa-5236Third Party Advisory

Published

Sep 14, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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