CVE-2021-30703

high

Description

A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

References

https://support.apple.com/en-us/HT212603

https://support.apple.com/en-us/HT212600

https://support.apple.com/en-us/HT212533

https://support.apple.com/en-us/HT212532

https://support.apple.com/en-us/HT212529

https://support.apple.com/en-us/HT212528

Details

Source: Mitre, NVD

Published: 2021-09-08

Updated: 2021-09-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/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:L/UI:N/S:U/C:H/I:H/A:H

Severity: High