CVE-2021-30698 Information

Description

A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4 Safari 14.1.1 iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212529 https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212534

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5