{"id":"CVE-2016-1962","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-1962","generatedAt":"2026-10-27T19:50:34.238Z","title":"Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel…","description":"Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel connections.","published":"2016-03-13T18:59:12.000Z","lastModified":"2026-06-17T00:42:59.000Z","status":"Modified","sourceIdentifier":"security@mozilla.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["mozilla/firefox","opensuse/opensuse","oracle/linux"],"epss":{"score":0.06084,"percentile":0.93363,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (6.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html","tags":["Third Party Advisory"],"source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html","source":"security@mozilla.org"},{"url":"http://www.debian.org/security/2016/dsa-3510","source":"security@mozilla.org"},{"url":"http://www.debian.org/security/2016/dsa-3520","source":"security@mozilla.org"},{"url":"http://www.mozilla.org/security/announce/2016/mfsa2016-25.html","tags":["Vendor Advisory"],"source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","tags":["Third Party Advisory"],"source":"security@mozilla.org"},{"url":"http://www.securitytracker.com/id/1035215","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2917-1","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2917-2","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2917-3","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1240760","tags":["Issue Tracking"],"source":"security@mozilla.org"},{"url":"https://security.gentoo.org/glsa/201605-06","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3510","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3520","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mozilla.org/security/announce/2016/mfsa2016-25.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1035215","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2917-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2917-2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2917-3","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1240760","tags":["Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201605-06","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-1962","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}