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MEDIUM · 6.5

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 improv...

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
AppleMacos>= 11.0, < 11.4
AppleTvos< 14.6
AppleWatchos< 7.5

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2021-30755?

CVE-2021-30755 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 improv...

How severe is CVE-2021-30755?

CVE-2021-30755 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30755?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos, Apple Tvos, Apple Watchos.