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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

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
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 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

21 Nov 2024, 06:04

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/HT212529 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212529 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212532 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212532 - Vendor Advisory
References	~~() https://support.apple.com/en-us/HT212533 - Vendor Advisory~~	() https://support.apple.com/en-us/HT212533 - Vendor Advisory

Information

Published : 2021-09-08 14:15

Updated : 2024-11-21 06:04

NVD link : CVE-2021-30755

Mitre link : CVE-2021-30755

CVE.ORG link : CVE-2021-30755

JSON object : View

Products Affected

apple

macos
watchos
tvos

CWE

CWE-125

Out-of-bounds Read

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