{"id":"CVE-2011-4598","details":"The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.","modified":"2026-04-10T03:42:06.540796Z","published":"2011-12-15T03:57:34Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/47273"},{"type":"ADVISORY","url":"http://www.debian.org/security/2011/dsa-2367"},{"type":"WEB","url":"http://downloads.asterisk.org/pub/security/AST-2011-014.html"},{"type":"WEB","url":"http://openwall.com/lists/oss-security/2011/12/09/3"},{"type":"WEB","url":"http://openwall.com/lists/oss-security/2011/12/09/4"},{"type":"WEB","url":"http://osvdb.org/77598"}],"schema_version":"1.7.5"}