CVE-2020-27927

HIGH | Platform: tvOS | Changelog

CVE Details

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, tvOS 14.2, watchOS 7.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS 3.1 Score

Metric	Value
Base Score	7.8 (HIGH)
Vector	`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`

Weakness

CWE-787

References

Apple Security Advisory
NVD Entry
http://seclists.org/fulldisclosure/2020/Dec/32 (Mailing List, Third Party Advisory)
https://support.apple.com/en-us/HT211928 (Vendor Advisory)
https://support.apple.com/en-us/HT211929 (Vendor Advisory)
https://support.apple.com/en-us/HT211930 (Vendor Advisory)
https://support.apple.com/en-us/HT211931 (Vendor Advisory)