CVE-2016-4587

Name: CVE-2016-4587
Creator: NVD / NIST
Published: 2016-07-22T02:59:10.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.05%

Last modified Jun 17, 2026

CVE-2016-4587 is a vulnerability of currently unknown severity. WebKit in Apple iOS before 9.3.3 and tvOS before 9.2.2 allows remote attackers to obtain sensitive information from uninitialized process memory via a crafted web site.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.

Description

WebKit in Apple iOS before 9.3.3 and tvOS before 9.2.2 allows remote attackers to obtain sensitive information from uninitialized process memory via a crafted web site.

Metrics

EPSS Probability

2.05%

78.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

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://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/1036344Third Party Advisory, VDB Entry
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://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/1036344Third Party Advisory, VDB Entry
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-2016-4587?

WebKit in Apple iOS before 9.3.3 and tvOS before 9.2.2 allows remote attackers to obtain sensitive information from uninitialized process memory via a crafted web site.

How severe is CVE-2016-4587?

Severity scoring for CVE-2016-4587 is pending analysis. The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4587?

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-2016-4587?

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

Scan your code now

Source: NVD / NIST