Description
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
References (6)
Core 6
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211843
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211850
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211844
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011
Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/163501/XNU-Network-Stack-Kernel-Heap-Overflow.html
Scores
CVSS v3
7.8
EPSS
0.0232
EPSS Percentile
81.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (8)
apple/ipados
< 14.0
apple/iphone_os
< 14.0
apple/mac_os_x
10.14.6 (11 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 - 11.1.0
apple/tvos
< 14.0
apple/watchos
< 7.0
Published
Apr 02, 2021
Tracked Since
Feb 18, 2026