CVE-2021-30791 Information

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.7 macOS Big Sur 11.5. Processing a maliciously crafted file may disclose user information.

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/HT212602 https://support.apple.com/en-us/HT212601 https://support.apple.com/kb/HT212603 https://support.apple.com/kb/HT212600

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