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.
Scores
CVSS v3
2.9
EPSS
0.0007
EPSS Percentile
21.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1284
CWE-125
Status
published
Products (1)
xmlsoft/libxml2
< 2.13.8
Published
Apr 17, 2025
Tracked Since
Feb 18, 2026