cbcvebase.
CVE-2021-1834
published 2021-09-08

CVE-2021-1834: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina…

critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected

21 ranges
VendorProductVersion rangeFixed in
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemac_os_x
applemacos>= 11.0 < 11.311.3
applemacos>= unspecified < 11.311.3
applemacos>= unspecified < 20212021
applemacos_big_sur
applesecurity_update_2021-002_catalina