Buffer overflow in Apple iOS

CVE-2021-30775

A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.6th 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-2021-30775?
CVE-2021-30775 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30775?
High severity. CVSS v3 base score is 7.8 out of 10.