CVE-2014-4455

low
Published 2014-11-18 · Modified 2026-05-06
CVSS v3
CVSS v2
2.1
VIR risk
2.1

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/en-us/HT6592

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — https://support.apple.com/en-us/HT6590

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://support.apple.com/HT204246

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://support.apple.com/HT204245

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Jan/msg00001.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2015/Jan/msg00000.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2014/Nov/msg00002.html

vendor Authored 2026-05-27

Vendor advisory: product-security@apple.com — http://lists.apple.com/archives/security-announce/2014/Nov/msg00000.html

OS impact

OSVersionStatusFixed in
macos macosaffected
macos macos6.0affected
macos macos6.0.1affected
macos macos6.0.2affected
macos macos6.1affected
macos macos6.1.1affected
macos macos6.1.2affected
macos macos6.2affected
macos macos6.2.1affected
macos macos7.0affected
macos macos7.0.1affected

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.