CVE-2021-30755

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.

Related CPE's

CvssV3 impact

BaseSeverity

MEDIUM

ConfidentialityImpact

HIGH

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

NONE

IntegrityImpact

NONE

PrivilegesRequired

NONE

BaseScore

6.5

VectorString

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

Version

3.1

UserInteraction

REQUIRED

CvssV2 impact

AccessComplexity

MEDIUM

ConfidentialityImpact

PARTIAL

AvailabilityImpact

NONE

IntegrityImpact

NONE

BaseScore

4.3

VectorString

AV:N/AC:M/Au:N/C:P/I:N/A:N

Version

2.0

AccessVector

NETWORK

Authentication

NONE