CVEvulnerability

CVE-2026-6653

7.0 HIGH Published 2026-06-22 Modified 2026-10-25 Official page ↗
Status
Analyzed
Published
2026-06-22
Last modified
2026-10-25
Assigner
[email protected]
CVSS 4.0 ([email protected])
7.0 HIGH — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416, CWE-611

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 configurations

• xmlsoft libxml2 (>= 2.9.11 <= 2.11.0)

Related

Weakness · CWE (2)

  • CWE-416 Use After Free weakness
  • CWE-611 Improper Restriction of XML External Entity Reference weakness

References