libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.
Fix
Patch, vendor advisory and mitigation references on NVD 4
- https://github.com/libexpat/libexpat/pull/629 Issue Tracking, Patch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/640 Issue Tracking, Patch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/629 Issue Tracking, Patch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/640 Issue Tracking, Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.1 · libexpat_project, debian, fedoraprojectNVD modified 2026-10-14 18:17
Affected (CPE criteria) 6
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
References 27
- https://github.com/libexpat/libexpat/pull/629 Issue Tracking, Patch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/640 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html Issue 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/202209-24 Third Party Advisory
- https://security.gentoo.org/glsa/202211-06 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221028-0008/ Third Party Advisory
- https://www.debian.org/security/2022/dsa-5236 Third Party Advisory
- https://github.com/libexpat/libexpat/pull/629 Issue Tracking, Patch, Third Party Advisory
- https://github.com/libexpat/libexpat/pull/640 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00029.html Issue 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/202209-24 Third Party Advisory
- https://security.gentoo.org/glsa/202211-06 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221028-0008/ Third Party Advisory
- https://www.debian.org/security/2022/dsa-5236 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-558014.html
- https://cert-portal.siemens.com/productcert/html/ssa-892048.html