{"id":"CVE-2018-11646","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-11646","generatedAt":"2026-10-28T19:05:11.696Z","title":"webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.","description":"webkitFaviconDatabaseSetIconForPageURL and webkitFaviconDatabaseSetIconURLForPageURL in UIProcess/API/glib/WebKitFaviconDatabase.cpp in WebKit, as used in WebKitGTK+ through 2.21.3, mishandle an unset pageURL, leading to an application crash.","published":"2018-06-01T13:29:00.000Z","lastModified":"2026-06-17T01:36:19.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["webkitgtk/webkitgtk\\+"],"epss":{"score":0.68018,"percentile":0.9932,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.64036,"percentile":0.99214},{"date":"2026-09-22","score":0.68563,"percentile":0.99305}]},"kev":{"listed":false},"exploits":{"count":2,"verified":false,"firstPublished":"2018-06-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44876,"kind":"exploit","title":"WebKitGTK+ < 2.21.3 - 'WebKitFaviconDatabase' Denial of Service (Metasploit)","url":"https://www.exploit-db.com/exploits/44876","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/44876.rb","file":"exploits/linux/dos/44876.rb","published":"2018-06-11","added":"2018-06-11","updated":"2018-06-12","author":"Dhiraj Mishra","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2018-11646"],"tags":"Metasploit Framework (MSF)","aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":44842,"kind":"exploit","title":"WebKitGTK+ < 2.21.3 - Crash (PoC)","url":"https://www.exploit-db.com/exploits/44842","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/local/44842.txt","file":"exploits/linux/local/44842.txt","published":"2018-06-05","added":"2018-06-05","updated":"2018-06-05","author":"Dhiraj Mishra","type":"local","platform":"linux","port":null,"verified":false,"codes":["CVE-2018-11646"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 68.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://bugs.webkit.org/show_bug.cgi?id=186164","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=795740","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/201808-04","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44842/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/44876/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=186164","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.gnome.org/show_bug.cgi?id=795740","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201808-04","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44842/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/44876/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-11646","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."}