{"id":"UBUNTU-CVE-2016-4763","details":"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.","modified":"2026-05-20T16:03:14.766341616Z","published":"2016-09-25T10:59:00Z","upstream":["CVE-2016-4763"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-4763"},{"type":"REPORT","url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html"},{"type":"REPORT","url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html"},{"type":"REPORT","url":"http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html"},{"type":"REPORT","url":"https://support.apple.com/HT207143"},{"type":"REPORT","url":"https://support.apple.com/HT207157"},{"type":"REPORT","url":"https://support.apple.com/HT207158"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-4763"}],"affected":[{"package":{"name":"qtwebkit-source","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtwebkit-source?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.2-0ubuntu11","binary_name":"libqtwebkit-qmlwebkitplugin"},{"binary_version":"2.3.2-0ubuntu11","binary_name":"libqtwebkit4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4763.json"}},{"package":{"name":"webkitgtk","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/webkitgtk?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.9-2ubuntu2","2.4.10-0ubuntu1","2.4.11-0ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"gir1.2-javascriptcoregtk-3.0"},{"binary_name":"gir1.2-webkit-3.0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"gir1.2-webkit2-3.0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"libjavascriptcoregtk-1.0-0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"libjavascriptcoregtk-3.0-0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"libjavascriptcoregtk-3.0-bin","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"libwebkit2gtk-3.0-25","binary_version":"2.4.11-0ubuntu0.1"},{"binary_name":"libwebkitgtk-1.0-0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libwebkitgtk-1.0-common"},{"binary_name":"libwebkitgtk-3.0-0","binary_version":"2.4.11-0ubuntu0.1"},{"binary_version":"2.4.11-0ubuntu0.1","binary_name":"libwebkitgtk-3.0-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4763.json"}},{"package":{"name":"qtwebkit-opensource-src","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtwebkit-opensource-src?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2+dfsg-1ubuntu2.1","5.5.1+dfsg-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.5.1+dfsg-2ubuntu1","binary_name":"libqt5webkit5"},{"binary_name":"libqt5webkit5-qmlwebkitplugin","binary_version":"5.5.1+dfsg-2ubuntu1"},{"binary_name":"qml-module-qtwebkit","binary_version":"5.5.1+dfsg-2ubuntu1"},{"binary_name":"qtwebkit5-doc-html","binary_version":"5.5.1+dfsg-2ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4763.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}