Gnome Libxml2 vulnerabilities

CVE-2026-6653 [CRITICAL] CWE-416 CVE-2026-6653: Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allow 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.

CVE-2025-7425 [HIGH] CWE-416 CVE-2025-7425: A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrup A flaw was found in libxslt where the attribute type, atype, flags are modified in a way that corrupts internal memory management. When XSLT functions, such as the key() process, result in tree fragments, this corruption prevents the proper cleanup of ID attributes. As a result, the system may access freed memory, causing crashes or enabling attackers t

CVE-2025-49795 [HIGH] CWE-825 CVE-2025-49795: A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.