CVE-2015-5839

Name: CVE-2015-5839
Creator: NVD / NIST
Published: 2015-09-18T10:59:53.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.73%

Last modified Jun 17, 2026

CVE-2015-5839 is a vulnerability of currently unknown severity. dyld in Apple iOS before 9 allows attackers to bypass a code-signing protection mechanism via an app that places a crafted signature in an executable file.. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

dyld in Apple iOS before 9 allows attackers to bypass a code-signing protection mechanism via an app that places a crafted signature in an executable file.

Metrics

EPSS Probability

1.73%

74.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-254

Affected Software

Vendor	Product	Versions
Apple	Watchos	1.0
Apple	Mac Os X	<= 10.10.5
Apple	Iphone Os	<= 8.4.1

References

http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
http://www.securityfocus.com/bid/76764
http://www.securitytracker.com/id/1033609
https://support.apple.com/HT205212Vendor Advisory
https://support.apple.com/HT205213Vendor Advisory
https://support.apple.com/HT205267Vendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.htmlVendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlVendor Advisory
http://www.securityfocus.com/bid/76764
http://www.securitytracker.com/id/1033609
https://support.apple.com/HT205212Vendor Advisory
https://support.apple.com/HT205213Vendor Advisory
https://support.apple.com/HT205267Vendor Advisory

Timeline

Published: Sep 18, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5839?

dyld in Apple iOS before 9 allows attackers to bypass a code-signing protection mechanism via an app that places a crafted signature in an executable file.

How severe is CVE-2015-5839?

Severity scoring for CVE-2015-5839 is pending analysis. The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5839?

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-2015-5839?

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

Scan your code now

Source: NVD / NIST