CVE-2013-0977

CVE-2013-0977 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

dyld in Apple iOS before 6.1.3 and Apple TV before 5.2.1 does not properly manage the state of file loading for Mach-O executable files, which allows local users to bypass intended code-signing requirements via a file that contains overlapping segments.

Frequently asked questions

What is CVE-2013-0977?
dyld in Apple iOS before 6.1.3 and Apple TV before 5.2.1 does not properly manage the state of file loading for Mach-O executable files, which allows local users to bypass intended code-signing requirements via a file that contains overlapping segments.
How severe is CVE-2013-0977?
CVE-2013-0977 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2013-0977 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0977?
CVE-2013-0977 primarily affects Apple Iphone Os. In total, 101 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0977?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0977 published?
CVE-2013-0977 was published on 2013-03-20 and last updated on 2026-06-16.

References

Affected products (101)

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