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 (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT213183
Scores
CVSS v3
7.8
EPSS
0.0040
EPSS Percentile
60.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (3)
apple/mac_os_x
10.15.7 (10 CPE variants)
apple/mac_os_x
10.15 - 10.15.7
apple/macos
11.0 - 11.6.2
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026