CVE-2016-4591

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% 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-284

Description

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 mishandles the location variable, which allows remote attackers to access the local filesystem via unspecified vectors.

Affected products

Apple Webkit: all versions

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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