CVE-2021-30755 Information

Description

Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4 tvOS 14.6 watchOS 7.5. An out-of-bounds read was addressed with improved input validation.

CVSS Vector

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

Reference

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

NONE

Base Score

NONE

Base Severity

6.5