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.
History

Mon, 22 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 22 Jun 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Gnome
Gnome libxml2
Vendors & Products Gnome
Gnome libxml2

Mon, 22 Jun 2026 13:45:00 +0000

Type Values Removed Values Added
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.
Title libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling
Weaknesses CWE-416
CWE-611
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


cve-icon MITRE

Status: PUBLISHED

Assigner: canonical

Published:

Updated: 2026-06-22T12:40:31.424Z

Reserved: 2026-04-20T06:37:45.271Z

Link: CVE-2026-6653

cve-icon Vulnrichment

Updated: 2026-06-22T15:51:06.224Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-22T15:45:03Z