{"id":"CVE-2011-2665","details":"reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a \u003c (less than) character.","modified":"2026-04-10T03:41:51.288721Z","published":"2011-07-06T19:55:03Z","references":[{"type":"ADVISORY","url":"http://downloads.asterisk.org/pub/security/AST-2011-009.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/45048"},{"type":"ADVISORY","url":"http://secunia.com/advisories/45201"},{"type":"ADVISORY","url":"http://secunia.com/advisories/45239"},{"type":"ADVISORY","url":"http://www.debian.org/security/2011/dsa-2276"},{"type":"FIX","url":"http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html"}],"schema_version":"1.7.5"}