CVE-2021-30734 Information

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6 iOS 14.6 and iPadOS 14.6 Safari 14.1.1 macOS Big Sur 11.4 watchOS 7.5. 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/HT212529 https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212534 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533

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