CVE-2021-31008

HIGH

Safari < 15.1 - Remote Code Execution via Type Confusion

Title source: llm
STIX 2.1

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 15.1, tvOS 15.1, iOS 15 and iPadOS 15, macOS Monterey 12.0.1, watchOS 8.1. Processing maliciously crafted web content may lead to code execution.

References (5)

Core 5
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212814
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212869
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212874
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212876
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212875

Scores

CVSS v3 8.8
EPSS 0.0124
EPSS Percentile 65.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-843
Status published
Products (6)
apple/ipados < 15.0
apple/iphone_os < 15.0
apple/macos 12.0.0
apple/safari < 15.1
apple/tvos < 15.1
apple/watchos < 8.1
Published Aug 24, 2021
Tracked Since Feb 18, 2026