PT-2025-46030 · Julia · Expat Jll

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

OSV

In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML ExternalEntityParserCreate in out-of-memory situations.

Related Identifiers

JLSEC-2025-58

Affected Products

Expat Jll

References · 16

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE · Vendor Advisory
• https://debian.org/security/2022/dsa-5266 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6 · Vendor Advisory
• https://osv.dev/vulnerability/JLSEC-2025-58 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ · Vendor Advisory
• https://github.com/libexpat/libexpat/pull/650 · Note
• https://github.com/libexpat/libexpat/issues/649 · Note
• https://github.com/libexpat/libexpat/pull/616 · Note
• https://security.gentoo.org/glsa/202210-38 · Note
• http://openwall.com/lists/oss-security/2024/01/03/5 · Note
• https://security.netapp.com/advisory/ntap-20221118-0007 · Note
• https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html · Note