Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212600
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212603
Scores
CVSS v3
7.8
EPSS
0.0133
EPSS Percentile
67.7%
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-787
Status
published
Products (17)
apple/mac_os_x
10.14
apple/mac_os_x
10.14.0
apple/mac_os_x
10.14.1
apple/mac_os_x
10.14.2
apple/mac_os_x
10.14.3
apple/mac_os_x
10.14.4
apple/mac_os_x
10.14.5
apple/mac_os_x
10.14.6 (21 CPE variants)
apple/mac_os_x
10.15
apple/mac_os_x
10.15.1
... and 7 more
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026