A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

Related CVEs

CVE-2021-30736

Key Information

GHSA ID

GHSA-765w-cqpp-rq2q

Published

May 24, 2022 7:13 PM

Last Modified

January 9, 2023 6:30 PM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: November 23, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.