CVE-2021-1805: An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update…

PriorityP341high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

1.14%

63.4th percentile

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
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

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C

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