Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2. Processing a maliciously crafted font may result in the disclosure of process memory.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212976
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212978
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212979
Scores
CVSS v3
5.5
EPSS
0.0032
EPSS Percentile
55.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (3)
apple/ipados
< 15.2
apple/iphone_os
< 15.2
apple/macos
11.0 - 11.6.2
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026