CVE-2021-30981

published 2021-08-24

CVE-2021-30981: 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…

Priority P3 44 high 7.8 CVSS 3.1

AV L AC L PR L UI N S U C H I H A H

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. An application may be able to execute arbitrary code with kernel privileges.

Affected

10 ranges

Vendor	Product	Version range	Fixed in
apple	mac_os_x	—	—
apple	mac_os_x	>= 10.15 < 10.15.7	10.15.7
apple	macos	>= 11.0 < 11.6.2	11.6.2
apple	macos	>= 12.0 < 12.1	12.1
apple	macos	>= unspecified < 12.1	12.1
apple	macos	>= unspecified < 11.6	11.6
apple	macos	>= unspecified < 2021	2021
apple	macos_big_sur	—	—
apple	macos_monterey	—	—
apple	security_update_2021-008_catalina	—	—

CVSS provenance

nvd v3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 9.3 CRITICAL AV:N/AC:M/Au:N/C:C/I:C/A:C

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CWE-120