CVE-2016-4590

WebKit in Apple iOS before 9.3.3 and Safari before 9.1.2 mishandles about: URLs, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

• CWE-20

• http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List
• http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.html
• http://www.securityfocus.com/archive/1/539295/100/0/threaded
• http://www.securityfocus.com/bid/91835
• http://www.securitytracker.com/id/1036343
• https://support.apple.com/HT206900Vendor Advisory
• https://support.apple.com/HT206902Vendor Advisory
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List
• http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.html
• http://www.securityfocus.com/archive/1/539295/100/0/threaded
• http://www.securityfocus.com/bid/91835
• http://www.securitytracker.com/id/1036343
• https://support.apple.com/HT206900Vendor Advisory
• https://support.apple.com/HT206902Vendor Advisory

Published

Jul 22, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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