How severe is CVE-2014-4455?

CVE-2014-4455 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2014-4455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4455?

CVE-2014-4455 primarily affects Apple Iphone Os. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4455?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-4455 published?

CVE-2014-4455 was published on 2014-11-18 and last updated on 2026-06-17.

CVE-2014-4455

CVE-2014-4455 is a low-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Apple Iphone Os
Published: 2014-11-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2014-4455?: 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.
How severe is CVE-2014-4455?: CVE-2014-4455 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2014-4455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4455?: CVE-2014-4455 primarily affects Apple Iphone Os. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4455?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4455 published?: CVE-2014-4455 was published on 2014-11-18 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:6.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:7.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:7.0.1:*:*:*:*:*:*:*

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