In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.

Sources

• NVD DATABASE

Original Links

• http://www.openwall.com/lists/oss-security/2022/02/19/1 Mailing List
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Third Party Advisory
• https://github.com/libexpat/libexpat/pull/560 Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
• https://security.gentoo.org/glsa/202209-24 Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220303-0008/ Third Party Advisory
• https://www.debian.org/security/2022/dsa-5085 Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2022.html Patch
• http://www.openwall.com/lists/oss-security/2022/02/19/1 Mailing List
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf Third Party Advisory
• https://github.com/libexpat/libexpat/pull/560 Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
• https://security.gentoo.org/glsa/202209-24 Third Party Advisory
• https://security.netapp.com/advisory/ntap-20220303-0008/ Third Party Advisory
• https://www.debian.org/security/2022/dsa-5085 Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2022.html Patch
• https://cert-portal.siemens.com/productcert/html/ssa-398330.html
• https://cert-portal.siemens.com/productcert/html/ssa-484086.html

Timeline

1. 2026-10-14 nvd_ingest NVD