CVE-2021-30771

HIGH | Platform: watchOS | Changelog

CVE Details

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS 3.1 Score

Metric	Value
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`

Weakness

CWE-787

References

Apple Security Advisory
NVD Entry
https://support.apple.com/en-us/HT212528 (Vendor Advisory)
https://support.apple.com/en-us/HT212529 (Vendor Advisory)
https://support.apple.com/en-us/HT212532 (Vendor Advisory)
https://support.apple.com/en-us/HT212533 (Vendor Advisory)