Buffer Under-read Affecting libxml2 package, versions [,2.13.8)[2.14.0,2.14.2)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBXML2-9789078
  • published22 Apr 2025
  • disclosed21 Apr 2025
  • creditChen Lihai, Yu Dongsong, Zhang Yuqing

Introduced: 21 Apr 2025

NewCVE-2025-32415  (opens in a new tab)
CWE-127  (opens in a new tab)

How to fix?

Upgrade libxml2 to version 2.13.8, 2.14.2 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Under-read in the xmlSchemaIDCFillNodeTables() function. An attacker can cause partial denial of service by by validating a malicious XML document against an XML schema using xsd:keyref in combination with recursively defined types that have additional identity constraints.

CVSS Base Scores

version 4.0
version 3.1