{"id":"CVE-2016-7551","details":"chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).","modified":"2026-07-08T05:49:37.242162653Z","published":"2017-04-17T16:59:00.277Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"ADVISORY","url":"http://downloads.asterisk.org/pub/security/AST-2016-007.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3700"},{"type":"FIX","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838832"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1374733"},{"type":"FIX","url":"https://issues.asterisk.org/jira/browse/ASTERISK-26272"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/asterisk/asterisk","events":[{"introduced":"affbc6907eb544bc6e049085de91002ca24ff930"},{"last_affected":"acf021cdec4d45f56aeb9bc87c08a00870f8a6a8"}],"database_specific":{"extracted_events":[{"introduced":"11.0.0"},{"last_affected":"11.0.0"},{"introduced":"11.0.0-beta1"},{"last_affected":"11.0.0-beta1"},{"introduced":"11.0.0-beta2"},{"last_affected":"11.0.0-beta2"},{"introduced":"11.0.0-rc1"},{"last_affected":"11.0.0-rc1"},{"introduced":"11.0.0-rc2"},{"last_affected":"11.0.0-rc2"},{"introduced":"11.0.1"},{"last_affected":"11.0.1"},{"introduced":"11.0.2"},{"last_affected":"11.0.2"},{"introduced":"11.1.0"},{"last_affected":"11.1.0"},{"introduced":"11.1.0-rc1"},{"last_affected":"11.1.0-rc1"},{"introduced":"11.1.0-rc3"},{"last_affected":"11.1.0-rc3"},{"introduced":"11.1.1"},{"last_affected":"11.1.1"},{"introduced":"11.1.2"},{"last_affected":"11.1.2"},{"introduced":"11.2.0"},{"last_affected":"11.2.0"},{"introduced":"11.2.0-rc1"},{"last_affected":"11.2.0-rc1"},{"introduced":"11.2.0-rc2"},{"last_affected":"11.2.0-rc2"},{"introduced":"11.2.1"},{"last_affected":"11.2.1"},{"introduced":"11.2.2"},{"last_affected":"11.2.2"},{"introduced":"11.3.0"},{"last_affected":"11.3.0"},{"introduced":"11.4.0"},{"last_affected":"11.4.0"},{"introduced":"11.5.0"},{"last_affected":"11.5.0"},{"introduced":"11.5.1"},{"last_affected":"11.5.1"},{"introduced":"11.6.0"},{"last_affected":"11.6.0"},{"introduced":"11.6.0-NA"},{"last_affected":"11.6.0-NA"},{"introduced":"11.6.1"},{"last_affected":"11.6.1"},{"introduced":"11.6-cert1"},{"last_affected":"11.6-cert1"},{"introduced":"11.7.0"},{"last_affected":"11.7.0"},{"introduced":"11.8.0"},{"last_affected":"11.8.0"},{"introduced":"11.8.1"},{"last_affected":"11.8.1"},{"introduced":"11.9.0"},{"last_affected":"11.9.0"},{"introduced":"11.10.0"},{"last_affected":"11.10.0"},{"introduced":"11.10.1"},{"last_affected":"11.10.1"},{"introduced":"11.10.2"},{"last_affected":"11.10.2"},{"introduced":"11.11.0"},{"last_affected":"11.11.0"},{"introduced":"11.12.0"},{"last_affected":"11.12.0"},{"introduced":"11.12.1"},{"last_affected":"11.12.1"},{"introduced":"11.13.0"},{"last_affected":"11.13.0"},{"introduced":"11.13.1"},{"last_affected":"11.13.1"},{"introduced":"11.14.0"},{"last_affected":"11.14.0"},{"introduced":"11.14.1"},{"last_affected":"11.14.1"},{"introduced":"11.14.2"},{"last_affected":"11.14.2"},{"introduced":"11.15.0"},{"last_affected":"11.15.0"},{"introduced":"11.15.1"},{"last_affected":"11.15.1"},{"introduced":"11.16.0"},{"last_affected":"11.16.0"},{"introduced":"11.17.0"},{"last_affected":"11.17.0"},{"introduced":"11.17.1"},{"last_affected":"11.17.1"},{"introduced":"11.18.0"},{"last_affected":"11.18.0"},{"introduced":"11.19.0"},{"last_affected":"11.19.0"},{"introduced":"11.20.0"},{"last_affected":"11.20.0"},{"introduced":"11.21.0"},{"last_affected":"11.21.0"},{"introduced":"11.21.1"},{"last_affected":"11.21.1"},{"introduced":"11.21.2"},{"last_affected":"11.21.2"},{"introduced":"11.22.0"},{"last_affected":"11.22.0"},{"introduced":"11.22.0-rc1"},{"last_affected":"11.22.0-rc1"},{"introduced":"11.23.0"},{"last_affected":"11.23.0"},{"introduced":"11.23.0-rc1"},{"last_affected":"11.23.0-rc1"},{"introduced":"13.0.0"},{"last_affected":"13.0.0"},{"introduced":"13.0.0-beta1"},{"last_affected":"13.0.0-beta1"},{"introduced":"13.0.0-beta2"},{"last_affected":"13.0.0-beta2"},{"introduced":"13.0.0-beta3"},{"last_affected":"13.0.0-beta3"},{"introduced":"13.0.1"},{"last_affected":"13.0.1"},{"introduced":"13.0.2"},{"last_affected":"13.0.2"},{"introduced":"13.1.0"},{"last_affected":"13.1.0"},{"introduced":"13.1.1"},{"last_affected":"13.1.1"},{"introduced":"13.2.0"},{"last_affected":"13.2.0"},{"introduced":"13.2.1"},{"last_affected":"13.2.1"},{"introduced":"13.3.0"},{"last_affected":"13.3.0"},{"introduced":"13.3.1"},{"last_affected":"13.3.1"},{"introduced":"13.3.2"},{"last_affected":"13.3.2"},{"introduced":"13.4.0"},{"last_affected":"13.4.0"},{"introduced":"13.5.0"},{"last_affected":"13.5.0"},{"introduced":"13.6.0"},{"last_affected":"13.6.0"},{"introduced":"13.7.0"},{"last_affected":"13.7.0"},{"introduced":"13.7.1"},{"last_affected":"13.7.1"},{"introduced":"13.7.2"},{"last_affected":"13.7.2"},{"introduced":"13.8.0"},{"last_affected":"1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