{"id":"USN-2214-2","aliases":[],"status":"published","title":"libxml2 regression","description":"USN-2214-1 fixed vulnerabilities in libxml2. The upstream fix introduced a\nregression when using xmllint with the --postvalid option. This update\nfixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Daniel Berrange discovered that libxml2 would incorrectly perform entity\n substitution even when requested not to. If a user or automated system were\n tricked into opening a specially crafted document, an attacker could\n possibly cause resource consumption, resulting in a denial of service.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2014-06-09T14:20:23Z","modified":"2026-04-22T08:52:51Z","fixes":[{"ecosystem":"Ubuntu:14.04:LTS","package":"libxml2","fixed_in":["2.9.1+dfsg1-3ubuntu4.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"libxml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.2"}]}],"versions":["2.9.1+dfsg1-3ubuntu2","2.9.1+dfsg1-3ubuntu3","2.9.1+dfsg1-3ubuntu4","2.9.1+dfsg1-3ubuntu4.1"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-2214-2","tags":["advisory"]},{"url":"https://launchpad.net/bugs/1321869","tags":["report"]}],"sources":{"osv":[{"id":"USN-2214-2","title":"libxml2 regression","description":"USN-2214-1 fixed vulnerabilities in libxml2. The upstream fix introduced a\nregression when using xmllint with the --postvalid option. This update\nfixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Daniel Berrange discovered that libxml2 would incorrectly perform entity\n substitution even when requested not to. If a user or automated system were\n tricked into opening a specially crafted document, an attacker could\n possibly cause resource consumption, resulting in a denial of service.\n","status":"published","published":"2014-06-09T14:20:23Z","modified":"2026-04-22T08:52:51.993312Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}