CVE Vulnerability

CVE-2021-30755

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/HT212529 Vendor Advisory
https://support.apple.com/en-us/HT212532 Vendor Advisory
https://support.apple.com/en-us/HT212533 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Information

Published : 2021-09-08 02:15

Updated : 2021-09-15 08:16

NVD link : CVE-2021-30755

Mitre link : CVE-2021-30755

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read