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. An out-of-bounds read was addressed with improved input validation.
References (3)
Core 3
Core References
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
6.5
EPSS
0.0041
EPSS Percentile
61.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-125
Status
published
Products (3)
apple/macos
11.0 - 11.4
apple/tvos
< 14.6
apple/watchos
< 7.5
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026