{"id":"CVE-2016-4763","aliases":["EUVD-2016-5748","GHSA-89gg-jvv4-j8gq","UBUNTU-CVE-2016-4763"],"status":"published","title":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10...","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","severity":{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01197,"percentile":0.68314,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2016-09-25T10:00:00Z","modified":"2026-10-08T12:49:52Z","affected":[{"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"]}],"products":[{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"itunes"},{"vendor":"apple","product":"safari"}],"references":[{"url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory","report"]},{"url":"https://support.apple.com/HT207157","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"https://support.apple.com/HT207158","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"http://www.securityfocus.com/bid/93066","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id/1036854","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://support.apple.com/HT207143","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory","report"]},{"url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","Mailing List","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4763"},{"url":"https://github.com/advisories/GHSA-89gg-jvv4-j8gq"},{"url":"https://ubuntu.com/security/CVE-2016-4763","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-4763","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-4763","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","status":"published","published":"2016-09-25T10:00:00Z","modified":"2024-08-06T00:39:26.179Z","updated_at":"2026-11-02T14:33:35.488991Z"}],"euvd":[{"id":"EUVD-2016-5748","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","status":"published","published":"2016-09-25T10:00:00Z","modified":"2024-08-06T00:39:26Z","updated_at":"2026-11-03T02:22:44.916959Z"}],"ghsa":[{"id":"GHSA-89gg-jvv4-j8gq","title":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10...","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","status":"published","published":"2022-05-17T02:22:08Z","modified":"2023-01-27T05:04:21Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:42:26.749233Z"}],"nvd":[{"id":"CVE-2016-4763","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","status":"published","published":"2016-09-25T10:59:57.16Z","modified":"2026-06-17T00:48:10.42Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:03:29.893676Z"}],"osv":[{"id":"UBUNTU-CVE-2016-4763","description":"WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.","status":"published","published":"2016-09-25T10:59:00Z","modified":"2026-10-08T12:49:52.80017113Z","cvss":[{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:12.261906Z"}]}}