Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. 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/HT211931
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-486/
Scores
CVSS v3
7.8
EPSS
0.0058
EPSS Percentile
43.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (4)
apple/mac_os_x
10.14.6 (11 CPE variants)
apple/mac_os_x
10.15.7 (2 CPE variants)
apple/mac_os_x
10.14 - 10.14.6
apple/macos
11.0 - 11.1
Published
Apr 02, 2021
Tracked Since
Feb 18, 2026