Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to read restricted memory.
References (7)
Core 7
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211843
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211850
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211844
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212011
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32
Mailing List, Third Party Advisory mailing-list
x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/26
Scores
CVSS v3
5.5
EPSS
0.0030
EPSS Percentile
53.6%
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 (7)
apple/ipados
< 14.0
apple/iphone_os
< 14.0
apple/mac_os_x
10.14.6 (12 CPE variants)
apple/mac_os_x
10.15.7 (2 CPE variants)
apple/mac_os_x
< 11.1
apple/tvos
< 14.0
apple/watchos
< 7.0
Published
Dec 08, 2020
Tracked Since
Feb 18, 2026