CVE-2021-30889 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://support.apple.com/en-us/HT212876 https://support.apple.com/en-us/HT212874 https://support.apple.com/en-us/HT212869 https://support.apple.com/en-us/HT212867 http://www.openwall.com/lists/oss-security/2021/12/20/6

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8