CVE-2021-1805

high

Description

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.

References

https://support.apple.com/kb/HT212327

https://support.apple.com/en-us/HT212177

http://seclists.org/fulldisclosure/2021/Apr/54

Details

Source: Mitre, NVD

Published: 2021-04-02

Updated: 2021-05-04

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High