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CVE-2026-24515

Published: 1/23/2026 Last updated: 6/2/2026 Reserved: 1/23/2026

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

CNA assigner: mitre (8254265b-2729-46b6-b9e3-3dfca2d5bfca) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 2.9 Low CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Opam packages affected (4)

conf-expat conf-gtk2 conf-gtk3 ocaml-expat

Products affected (2)

Product Vendor Version
libexpat libexpat project n/a
libexpat libexpat project 2008 for x64-based Systems Service Pack 2 (Core installation)

References (4)