Out-of-bounds Read in Apple iOS

CVE-2020-9891

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.8th 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-2020-9891?
CVE-2020-9891 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2020-10-16.
How severe is CVE-2020-9891?
High severity. CVSS v3 base score is 7.8 out of 10.