{"id":"CVE-2016-9643","aliases":["EUVD-2016-10444","GHSA-4mcp-j554-p27j","MGASA-2017-0109","UBUNTU-CVE-2016-9643","USN-3257-1"],"status":"published","title":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory...","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02665,"percentile":0.85827,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2017-03-07T00:00:00Z","modified":"2026-06-17T00:56:23Z","fixes":[{"ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","fixed_in":["2.16.1-0ubuntu0.16.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Mageia:5","package":"webkit2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.6-1.mga5"}]}],"bundled":22},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.1-0ubuntu0.16.04.1"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2+dfsg-1ubuntu2.1","5.5.1+dfsg-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtwebkit-source","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkitgtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.9-2ubuntu2","2.4.10-0ubuntu1","2.4.11-0ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.1+dfsg-5ubuntu1","5.9.1+dfsg-5ubuntu3","5.212.0~alpha2-5build2","5.212.0~alpha2-5build4","5.212.0~alpha2-7","5.212.0~alpha2-7build2","5.212.0~alpha2-7ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qtwebkit-source","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu13"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"webkitgtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.11-3","2.4.11-3ubuntu2","2.4.11-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha3-3","5.212.0~alpha3-5","5.212.0~alpha3-6","5.212.0~alpha3-7","5.212.0~alpha4-1","5.212.0~alpha4-1ubuntu1","5.212.0~alpha4-1ubuntu2","5.212.0~alpha4-1ubuntu2.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha4-12","5.212.0~alpha4-13","5.212.0~alpha4-14","5.212.0~alpha4-14build1","5.212.0~alpha4-14ubuntu2","5.212.0~alpha4-15ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"qtwebkit-opensource-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.212.0~alpha4-33","5.212.0~alpha4-33build1","5.212.0~alpha4-34","5.212.0~alpha4-34ubuntu3","5.212.0~alpha4-34ubuntu4","5.212.0~alpha4-36"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"webkit2gtk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.1-0ubuntu0.16.04.1"}]}],"versions":["2.8.5+dfsg1-3","2.10.3+dfsg1-1","2.10.4+dfsg1-1","2.10.5-1","2.10.6-1","2.10.6-1ubuntu1","2.10.8-1ubuntu1","2.10.9-1ubuntu1","2.12.5-0ubuntu0.16.04.1","2.14.2-0ubuntu0.16.04.1","2.14.3-0ubuntu0.16.04.1","2.14.5-0ubuntu0.16.04.1"],"bundled":34}],"products":[{"vendor":"webkit","product":"webkit"}],"references":[{"url":"http://www.securitytracker.com/id/1038137","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/26/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","report"]},{"url":"https://security.gentoo.org/glsa/201706-15","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/26/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/94559","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9643"},{"url":"https://github.com/advisories/GHSA-4mcp-j554-p27j"},{"url":"https://advisories.mageia.org/MGASA-2017-0109.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=20642","tags":["report"]},{"url":"https://webkitgtk.org/security/WSA-2017-0003.html","tags":["web"]},{"url":"https://webkitgtk.org/2017/04/06/webkitgtk2.14.6-released.html","tags":["web"]},{"url":"https://webkitgtk.org/2017/03/20/webkitgtk2.16.0-released.html","tags":["web"]},{"url":"https://webkitgtk.org/2017/04/04/webkitgtk2.16.1-released.html","tags":["web"]},{"url":"https://www.ubuntu.com/usn/usn-3257-1/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2016-9643","tags":["report"]},{"url":"https://www.webkitgtk.org/security/WSA-2017-0003.html","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3257-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-9643","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2016-9642","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2364","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2367","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2376","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2377","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2386","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2392","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2394","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2395","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2396","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2405","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2415","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2419","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2433","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2442","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2445","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2446","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2447","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2454","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2455","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2457","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2459","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2460","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2464","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2465","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2466","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2468","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2469","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2470","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2471","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2475","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2476","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2017-2481","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-9643","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","status":"published","published":"2017-03-07T16:00:00Z","modified":"2024-08-06T02:59:03.313Z","updated_at":"2026-11-02T14:33:32.415289Z"}],"euvd":[{"id":"EUVD-2016-10444","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","status":"published","published":"2017-03-07T16:00:00Z","modified":"2024-08-06T02:59:03Z","updated_at":"2026-11-03T02:22:26.803486Z"}],"ghsa":[{"id":"GHSA-4mcp-j554-p27j","title":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory...","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","status":"published","published":"2022-05-17T02:31:09Z","modified":"2023-01-27T05:04:42Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:42:31.605047Z"}],"nvd":[{"id":"CVE-2016-9643","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","status":"published","published":"2017-03-07T16:59:01.65Z","modified":"2026-06-17T00:56:23.947Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:03:37.238712Z"}],"osv":[{"id":"UBUNTU-CVE-2016-9643","description":"The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).","status":"published","published":"2017-03-07T00:00:00Z","modified":"2026-04-22T11:05:57.860535Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:13.356796Z"},{"id":"MGASA-2017-0109","title":"Updated webkit2 packages fix security vulnerability","description":"Multiple security fixes in latest webkit2 update.\n","status":"published","published":"2017-04-16T06:29:12Z","modified":"2026-04-16T06:22:38.045736387Z","updated_at":"2026-11-02T15:49:40.103088Z"},{"id":"USN-3257-1","title":"webkit2gtk vulnerabilities","description":"A large number of security issues were discovered in the WebKitGTK+ Web and\nJavaScript engines. If a user were tricked into viewing a malicious\nwebsite, a remote attacker could exploit a variety of issues related to web\nbrowser security, including cross-site scripting attacks, denial of service\nattacks, and arbitrary code execution.\n","status":"published","published":"2017-04-10T17:32:26Z","modified":"2026-04-22T09:33:53.941005Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}