CVE-2021-1791

published 2021-04-02

CVE-2021-1791: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in…

Priority P4 24 medium 5.5 CVSS 3.1

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

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Affected

15 ranges

Vendor	Product	Version range	Fixed in
apple	ios_14.4_and_ipados	—	—
apple	ios_and_ipados	>= unspecified < 14.4	14.4
apple	ipados	< 14.4	14.4
apple	iphone_os	< 14.4	14.4
apple	mac_os_x	—	—
apple	mac_os_x	—	—
apple	mac_os_x	>= 10.14 < 10.14.6	10.14.6
apple	mac_os_x	>= 10.15 < 10.15.7	10.15.7
apple	macos	>= 11.0 < 11.2	11.2
apple	macos	>= unspecified < 11.2	11.2
apple	macos	>= unspecified < 7.3	7.3
apple	macos	>= unspecified < 14.4	14.4
apple	macos_big_sur_11.2_security_update_2021-001_catalina_security_update_2021-001_mo	—	—
apple	tvos	< 14.4	14.4
apple	watchos	< 7.3	7.3

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

nvd v2.0 7.1 HIGH AV:N/AC:M/Au:N/C:C/I:N/A:N

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CWE-125