Description
A buffer overflow may result in arbitrary code execution. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A logic issue was addressed with improved state management.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212317
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212323
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212324
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212325
Scores
CVSS v3
9.8
EPSS
0.0267
EPSS Percentile
83.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (5)
apple/ipados
< 14.5
apple/iphone_os
< 14.5
apple/macos
11.0 - 11.3
apple/tvos
< 14.5
apple/watchos
< 7.4
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026