PT-2025-46026 · Julia · Expat Jll

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

OSV

In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build model via a large nesting depth in the DTD element.

Related Identifiers

JLSEC-2025-54

Affected Products

Expat Jll

References · 11

• https://osv.dev/vulnerability/JLSEC-2025-54 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU · Vendor Advisory
• 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://github.com/libexpat/libexpat/pull/558 · Note
• https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html · Note
• http://openwall.com/lists/oss-security/2022/02/19/1 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf · Note
• https://oracle.com/security-alerts/cpuapr2022.html · Note
• https://security.gentoo.org/glsa/202209-24 · Note
• https://security.netapp.com/advisory/ntap-20220303-0008 · Note