CVE-2021-30831 Information

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in tvOS 15 watchOS 8 iOS 15 and iPadOS 15. Processing a maliciously crafted font may result in the disclosure of process memory.

CVSS Vector

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

Reference

https://support.apple.com/en-us/HT212819 https://support.apple.com/en-us/HT212815 https://support.apple.com/en-us/HT212814 https://support.apple.com/kb/HT212869

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5