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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- Attack Vector
- local
- Complexity
- high
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- none
- Availability
- low
- Weaknesses
- CWE-1284CWE-125
Metadata
- Primary Vendor
- XMLSOFT
- Published
- 4/17/2025
- Last Modified
- 11/3/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
xmlsoft : libxml2xmlsoft : libxml2
AI-Powered Remediation
Generate remediation guidance or a C-suite brief for this vulnerability.