{"id":"CVE-2026-6653","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-6653","summary":"libxml2: Use after free in xmlParseInternalSubset via improper entity resolution handling","details":"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.","published":"2026-06-22T12:40:31.424Z","modified":"2026-08-12T03:51:22.205414967Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6653.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6653"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058"},{"type":"PACKAGE","url":"https://gitlab.gnome.org/GNOME/libxml2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:22.205414967Z"}}