CVE-2014-4455

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-18 · updated 2026-06-17
Weakness: CWE-264

Description

dyld in Apple iOS before 8.1.1 and Apple TV before 7.0.2 does not properly handle overlapping segments in Mach-O executable files, which allows local users to bypass intended code-signing restrictions via a crafted file.

Affected products

Apple Iphone Os: through 8.1.2
Apple tvOS: through 7.0.1; 6.0, 6.0.1, 6.0.2, 6.1, 6.1.1, 6.1.2 (+4)

References

http://lists.apple.com/archives/security-announce/2014/Nov/msg00000.html
http://lists.apple.com/archives/security-announce/2014/Nov/msg00002.html
http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html
http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html
http://support.apple.com/HT204245
http://support.apple.com/HT204246
http://www.securityfocus.com/bid/71140
http://www.securitytracker.com/id/1031231
https://exchange.xforce.ibmcloud.com/vulnerabilities/98773
https://support.apple.com/en-us/HT204418
https://support.apple.com/en-us/HT204420
https://support.apple.com/en-us/HT6590

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