CVE-2021-30889

HIGH

macOS Monterey <12.0.1 - Buffer Overflow

Title source: llm
STIX 2.1

Description

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

References (5)

Core 5
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/HT212867
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212874
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212876
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/12/20/6

Scores

CVSS v3 8.8
EPSS 0.0069
EPSS Percentile 71.8%
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-120
Status published
Products (5)
apple/ipados < 15.1
apple/iphone_os < 15.1
apple/macos < 12.0.1
apple/tvos < 15.1
apple/watchos < 8.1
Published Aug 24, 2021
Tracked Since Feb 18, 2026