{"id":"CVE-2015-4514","url":"https://www.cyber-defence.io/tools/cve/CVE-2015-4514","generatedAt":"2026-10-27T17:44:47.993Z","title":"Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 42.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.","description":"Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 42.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.","published":"2015-11-05T05:59:02.000Z","lastModified":"2026-06-17T00:27:27.000Z","status":"Modified","sourceIdentifier":"security@mozilla.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-119"],"affected":["mozilla/firefox"],"epss":{"score":0.04143,"percentile":0.90778,"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 (4.14%). 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/2015-11/msg00015.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html","source":"security@mozilla.org"},{"url":"http://www.mozilla.org/security/announce/2015/mfsa2015-116.html","tags":["Vendor Advisory"],"source":"security@mozilla.org"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","source":"security@mozilla.org"},{"url":"http://www.securityfocus.com/bid/77411","source":"security@mozilla.org"},{"url":"http://www.securitytracker.com/id/1034069","source":"security@mozilla.org"},{"url":"http://www.ubuntu.com/usn/USN-2785-1","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1185157","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1186160","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1196237","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1200326","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1202677","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1205937","source":"security@mozilla.org"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=969309","source":"security@mozilla.org"},{"url":"https://security.gentoo.org/glsa/201512-10","source":"security@mozilla.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00037.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2015-12/msg00049.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mozilla.org/security/announce/2015/mfsa2015-116.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/77411","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1034069","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2785-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1185157","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1186160","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1196237","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1200326","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1202677","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1205937","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=969309","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201512-10","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2015-4514","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."}