CVE-2016-4591

Name: CVE-2016-4591
Creator: NVD / NIST
Published: 2016-07-22T02:59:14.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.14%

Last modified Jun 17, 2026

CVE-2016-4591 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.14% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.14%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Apple	Webkit	All versions

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539295/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/91830Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036343Third Party Advisory, VDB Entry
https://support.apple.com/HT206900Vendor Advisory
https://support.apple.com/HT206902Vendor Advisory
https://support.apple.com/HT206905Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Disclosure.htmlThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/539295/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/91830Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036343Third Party Advisory, VDB Entry
https://support.apple.com/HT206900Vendor Advisory
https://support.apple.com/HT206902Vendor Advisory
https://support.apple.com/HT206905Vendor Advisory

Timeline

Published: Jul 22, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4591?

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.

How severe is CVE-2016-4591?

Severity scoring for CVE-2016-4591 is pending analysis. The EPSS model estimates a 4.14% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4591?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4591?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST