USN-8456-1 libxml2 vulnerability

Geoffrey Humphreys discovered that libxml2 had a use after free when parsing the internal subset of a DTD. A remote attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code...

UBUNTU-CVE-2026-6653

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...