A memory corruption issue was addressed with improved state management. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may cause a denial of service or potentially disclose memory contents.
https://support.apple.com/en-us/HT212530
https://support.apple.com/en-us/HT212531
https://support.apple.com/en-us/HT212529
https://support.apple.com/en-us/HT212528
Source: MITRE
Published: 2021-09-08
Updated: 2021-09-16
Type: CWE-787
Base Score: 5.8
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P
Impact Score: 4.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 7.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Impact Score: 5.2
Exploitability Score: 1.8
Severity: HIGH