{"id":"CVE-2018-12294","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-12294","generatedAt":"2026-10-28T21:30:52.058Z","title":"WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.","description":"WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.","published":"2018-06-19T21:29:01.000Z","lastModified":"2026-06-17T01:37:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.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-416"],"affected":["webkit/webkitgtk\\+"],"epss":{"score":0.02329,"percentile":0.83436,"date":"2026-10-27","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 (2.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2018/06/14/1","tags":["Mailing List"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/542087/100/0/threaded","source":"cve@mitre.org"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=184729","tags":["Permissions Required","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201808-04","source":"cve@mitre.org"},{"url":"https://trac.webkit.org/changeset/231300/webkit","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2018/06/14/1","tags":["Mailing List"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/542087/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=184729","tags":["Permissions Required","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201808-04","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://trac.webkit.org/changeset/231300/webkit","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12294","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."}