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CVE-2026-6653

CRITICAL CVSS: 9.8 Published: 2026-06-22 Modified: 2026-07-14

Description

Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.

Affected Platforms

Xmlsoft Libxml2

Weakness Type

CWE-416, CWE-611

References