Use After Free in Apple iOS

CVE-2021-30795

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Vulnerability class: Use-After-Free

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/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-2021-30795?
CVE-2021-30795 is a high-severity vulnerability in Apple iOS, classified under Use After Free. CVSS score: 8.8/10. Published 2021-09-08.
How severe is CVE-2021-30795?
High severity. CVSS v3 base score is 8.8 out of 10.