CVE-2025-32415: Xmlsoft LIBXML2

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Xmlsoft LIBXML2: before 2.13.8 (fixed in 2.13.8); from 2.14.0, before 2.14.2 (fixed in 2.14.2)

Published 2025-04-17. Last modified 2026-06-17.