What’s Vulnerable › Vulnerabilities

CVE-2016-4592

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-07-22 · updated 2026-06-17
• Weakness: CWE-400

Description

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to cause a denial of service (memory consumption) via a crafted web site.

Affected products

• Apple Webkit: all versions
• Webkitgtk+: before 2.10.5 — fixed in 2.10.5

How to fix

Upgrade to a fixed version: Webkitgtk+ 2.10.5. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.html
• 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/91830
• http://www.securitytracker.com/id/1036343
• https://support.apple.com/HT206900
• https://support.apple.com/HT206902
• https://support.apple.com/HT206905
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
• http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html

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