Description
In libxml2 before 2.13.8 and 2.14.x before 2.14.2, xmlSchemaIDCFillNodeTables in xmlschemas.c has a heap-based buffer under-read. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| xmlsoft | libxml2 | < 2.13.8; >= 2.14.0, < 2.14.2 |
References
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/890Exploit, Issue Tracking
- https://lists.debian.org/debian-lts-announce/2025/04/msg00041.html
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/890Exploit, Issue Tracking
Timeline
- Published
- Apr 17, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Modified