CVE-2021-30977

high

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with kernel privileges.

References

https://support.apple.com/kb/HT213183

https://support.apple.com/en-us/HT212981

https://support.apple.com/en-us/HT212979

https://support.apple.com/en-us/HT212978

Details

Source: Mitre, NVD

Published: 2021-08-24

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H