{"id":"CVE-2012-3863","details":"channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.","modified":"2026-04-10T03:42:27.234883Z","published":"2012-07-09T10:20:44Z","references":[{"type":"ADVISORY","url":"http://downloads.asterisk.org/pub/security/AST-2012-010.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/50687"},{"type":"ADVISORY","url":"http://secunia.com/advisories/50756"},{"type":"ADVISORY","url":"http://www.debian.org/security/2012/dsa-2550"},{"type":"FIX","url":"http://downloads.asterisk.org/pub/security/AST-2012-010.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/54327"},{"type":"WEB","url":"https://issues.asterisk.org/jira/browse/ASTERISK-19992"}],"schema_version":"1.7.5"}