CVE-2025-49794 Information

Description

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path=.../> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml resulting in the program’s crash using libxml or other possible undefined behaviors.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Reference

https://access.redhat.com/security/cve/CVE-2025-49794 https://bugzilla.redhat.com/show_bug.cgi?id=2372373

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.1

CNNVD-202506-1904 (Published: 2025-06-16)

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