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.
References
Vendor Advisory
Vendor Advisory
Vendor Advisory
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 |