Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause a denial of service.
References (4)
Core 4
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212147
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212146
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212148
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212149
Scores
CVSS v3
7.5
EPSS
0.0196
EPSS Percentile
77.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-416
Status
published
Products (8)
apple/ipados
< 14.4
apple/iphone_os
< 14.4
apple/mac_os_x
10.14.6 (14 CPE variants)
apple/mac_os_x
10.15.7 (2 CPE variants)
apple/mac_os_x
10.14 - 10.14.6
apple/macos
11.0 - 11.2
apple/tvos
< 14.4
apple/watchos
< 7.3
Published
Apr 02, 2021
Tracked Since
Feb 18, 2026