Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, watchOS 7.2. A remote attacker may be able to leak memory.
References (5)
Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212147
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212003
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212005
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212009
Scores
CVSS v3
5.5
EPSS
0.0070
EPSS Percentile
72.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (8)
apple/ipados
< 14.3
apple/iphone_os
< 14.3
apple/mac_os_x
10.14.6 (12 CPE variants)
apple/mac_os_x
10.15.7 (3 CPE variants)
apple/mac_os_x
10.14 - 10.14.6
apple/macos
11.0 - 11.2
apple/tvos
< 14.3
apple/watchos
< 7.2
Published
Apr 02, 2021
Tracked Since
Feb 18, 2026