Out-of-bounds Read in Apple iOS And Ipados

CVE-2020-9966

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9966?
CVE-2020-9966 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2020-12-08.
How severe is CVE-2020-9966?
High severity. CVSS v3 base score is 7.8 out of 10.