Description
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.
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
5.5
EPSS
0.0027
EPSS Percentile
50.3%
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 (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