PT-2025-46025 · Julia · Expat Jll

Published 2025-10-14 · Updated 2025-10-14

OSV

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

Related Identifiers

JLSEC-2025-53

Affected Products

Expat Jll

References · 12

• https://debian.org/security/2022/dsa-5085 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2025-53 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU · Vendor Advisory
• https://github.com/libexpat/libexpat/pull/561 · Note
• https://security.gentoo.org/glsa/202209-24 · Note
• https://oracle.com/security-alerts/cpuapr2022.html · Note
• https://security.netapp.com/advisory/ntap-20220303-0008 · Note
• http://openwall.com/lists/oss-security/2022/02/19/1 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf · Note
• https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html · Note
• http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html · Note