Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.
References (8)
Core 8
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212975
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
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212981
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212980
Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
Third Party Advisory x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-22-359/
Scores
CVSS v3
7.8
EPSS
0.0041
EPSS Percentile
61.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (7)
apple/ipados
< 15.2
apple/iphone_os
< 15.2
apple/mac_os_x
10.15.7 (11 CPE variants)
apple/mac_os_x
10.15 - 10.15.7
apple/macos
11.0 - 11.6.2
apple/tvos
< 15.2
apple/watchos
< 8.3
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026