{"id":"CVE-2016-2819","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-2819","generatedAt":"2026-11-05T05:27:52.195Z","title":"Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.","description":"Heap-based buffer overflow in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 allows remote attackers to execute arbitrary code via foreign-context HTML5 fragments, as demonstrated by fragments within an SVG element.","published":"2016-06-13T10:59:03.000Z","lastModified":"2026-06-17T00:44:31.000Z","status":"Modified","sourceIdentifier":"security@mozilla.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["opensuse/leap","opensuse/opensuse","mozilla/firefox","debian/debian linux","canonical/ubuntu linux"],"epss":{"score":0.23957,"percentile":0.97845,"date":"2026-11-04","history":[{"date":"2026-09-21","score":0.16858,"percentile":0.96964},{"date":"2026-09-22","score":0.23957,"percentile":0.97732}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-03-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44293,"kind":"exploit","title":"Firefox 46.0.1 - ASM.JS JIT-Spray Remote Code Execution","url":"https://www.exploit-db.com/exploits/44293","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/remote/44293.html","file":"exploits/windows/remote/44293.html","published":"2018-03-16","added":"2018-03-16","updated":"2018-03-20","author":"Rh0","type":"remote","platform":"windows","port":null,"verified":true,"codes":["CVE-2017-5375","CVE-2016-2819"],"tags":null,"aliases":null,"applicationUrl":"http://www.exploit-db.comFirefoxSetup46.0.1.exe","screenshotUrl":"http://www.exploit-db.com/screenshots/idlt44500/screen-shot-2018-03-16-at-184530.png","referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 24.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.23957,"from":0.16858,"percentile":0.97732},"summary":"EPSS moved from 16.9% to 24.0% probability of exploitation in the next thirty days."}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html","source":"security@mozilla.org"},{"url":"http://www.debian.org/security/2016/dsa-3600","source":"security@mozilla.org"},{"url":"http://www.mozilla.org/security/announce/2016/mfsa2016-50.html","tags":["Vendor Advisory"],"source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html","source":"security@mozilla.org"},{"url":"http://www.securityfocus.com/bid/91075","source":"security@mozilla.org"},{"url":"http://www.securitytracker.com/id/1036057","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2993-1","source":"security@mozilla.org"},{"url":"https://access.redhat.com/errata/RHSA-2016:1217","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1270381","source":"security@mozilla.org"},{"url":"https://www.exploit-db.com/exploits/44293/","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3600","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mozilla.org/security/announce/2016/mfsa2016-50.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/91075","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1036057","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2993-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2016:1217","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1270381","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44293/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-2819","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."}