{"id":"CVE-2020-10018","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-10018","generatedAt":"2026-10-27T23:29:03.380Z","title":"WebKitGTK through 2.26.4 and WPE WebKit through 2.26.4 (which are the versions right before 2.28.0) contains a memory corruption issue (use-after-free) that may lead to arbitrary code execution.","description":"WebKitGTK through 2.26.4 and WPE WebKit through 2.26.4 (which are the versions right before 2.28.0) contains a memory corruption issue (use-after-free) that may lead to arbitrary code execution. This issue has been fixed in 2.28.0 with improved memory handling.","published":"2020-03-02T23:15:12.000Z","lastModified":"2026-06-17T02:47:13.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["webkitgtk/webkitgtk","wpewebkit/wpe webkit","fedoraproject/fedora","debian/debian linux","canonical/ubuntu linux","opensuse/leap"],"epss":{"score":0.04987,"percentile":0.92157,"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 (4.99%). 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/2020-05/msg00008.html","tags":["Mailing List","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=204342#c21","tags":["Permissions Required","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOR5LPL4UASVAR76EIHCL4O2KGDWGC6K/","source":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLERWAS2LL7SX2GHA2DDZ2PL3QC5OHIF/","source":"cve@mitre.org"},{"url":"https://security.gentoo.org/glsa/202006-08","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/4310-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://webkitgtk.org/security/WSA-2020-0003.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wpewebkit.org/security/WSA-2020-0003.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2020/dsa-4641","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00008.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=204342#c21","tags":["Permissions Required","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOR5LPL4UASVAR76EIHCL4O2KGDWGC6K/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GLERWAS2LL7SX2GHA2DDZ2PL3QC5OHIF/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202006-08","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4310-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://webkitgtk.org/security/WSA-2020-0003.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpewebkit.org/security/WSA-2020-0003.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4641","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10018","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."}