CVE-2021-1882

critical

Description

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated privileges.

References

https://support.apple.com/en-us/HT212326

https://support.apple.com/en-us/HT212325

https://support.apple.com/en-us/HT212324

https://support.apple.com/en-us/HT212323

https://support.apple.com/en-us/HT212317

Details

Source: Mitre, NVD

Published: 2021-09-08

Updated: 2021-09-20

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical