CVE-2021-30909

HIGH

iPadOS < 14.8.1, iOS < 14.8.1, macOS < 10.15.7, macOS >=11.0 <11.6.1, tvOS <15.1, watchOS <8.1 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

A memory corruption issue was addressed with improved memory handling. 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. An application may be able to execute arbitrary code with kernel privileges.

References (7)

Core 7
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

Scores

CVSS v3 7.8
EPSS 0.0138
EPSS Percentile 68.7%
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