Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted image may lead to arbitrary code execution.
References (6)
Core 6
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212601
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212605
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212600
Release Notes, Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212604
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-22-353/
Scores
CVSS v3
7.8
EPSS
0.0080
EPSS Percentile
74.1%
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-120
Status
published
Products (6)
apple/iphone_os
< 14.7
apple/mac_os_x
10.15.7 (9 CPE variants)
apple/mac_os_x
10.15 - 10.15.6
apple/macos
< 11.5
apple/tvos
< 14.7
apple/watchos
< 7.6
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026