Description
A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212528
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212532
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212533
Scores
CVSS v3
7.8
EPSS
0.0038
EPSS Percentile
59.6%
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-120
Status
published
Products (5)
apple/ipados
< 14.6
apple/iphone_os
< 14.6
apple/macos
11.0.1 - 11.4
apple/tvos
< 14.6
apple/watchos
< 7.5
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026