{"id":"CVE-2016-6307","details":"The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted TLS messages, related to statem/statem.c and statem/statem_lib.c.","modified":"2026-07-08T22:48:47.006327Z","published":"2016-09-26T19:59:04.033Z","references":[{"type":"WEB","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759"},{"type":"WEB","url":"http://www-01.ibm.com/support/docview.wss?uid=swg21995039"},{"type":"WEB","url":"http://www.securityfocus.com/bid/93152"},{"type":"WEB","url":"http://www.securitytracker.com/id/1036885"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"},{"type":"WEB","url":"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650"},{"type":"WEB","url":"https://www.tenable.com/security/tns-2016-16"},{"type":"WEB","url":"https://www.tenable.com/security/tns-2016-20"},{"type":"WEB","url":"https://www.tenable.com/security/tns-2016-21"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"},{"type":"ADVISORY","url":"https://bto.bluecoat.com/security-advisory/sa132"},{"type":"ADVISORY","url":"https://www.openssl.org/news/secadv/20160922.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openssl/openssl","events":[{"introduced":"7ea5bd2b52d0e81eaef3d109b3b12545306f201c"},{"last_affected":"7ea5bd2b52d0e81eaef3d109b3b12545306f201c"}],"database_specific":{"cpe":"cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.1.0"},{"last_affected":"1.1.0"}],"source":"CPE_STRING"}}],"versions":["1.1.0","OpenSSL_1_1_0l"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-6307.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}