Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.
References (8)
Core 8
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212869
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212871
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212872
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212867
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212868
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212874
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212876
Third Party Advisory x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-22-357/
Scores
CVSS v3
7.8
EPSS
0.0157
EPSS Percentile
72.5%
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-787
Status
published
Products (10)
apple/ipad_os
< 14.8.1
apple/ipados
15.0
apple/iphone_os
15.0
apple/iphone_os
< 14.8.1
apple/mac_os_x
10.15.7 (9 CPE variants)
apple/mac_os_x
< 10.15.7
apple/macos
12.0
apple/macos
11.0 - 11.6.1
apple/tvos
< 15.1
apple/watchos
< 8.1
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026