Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1. Processing a maliciously crafted font may lead to arbitrary code execution.
References (1)
Core 1
Core References
Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT211931
Scores
CVSS v3
7.8
EPSS
0.0008
EPSS Percentile
22.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-125
Status
published
Products (1)
apple/macos
< 11.0.1
Published
Aug 14, 2023
Tracked Since
Feb 18, 2026