CVE-2020-27927

high

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.

References

https://support.apple.com/en-us/HT211931

https://support.apple.com/en-us/HT211930

https://support.apple.com/en-us/HT211929

https://support.apple.com/en-us/HT211928

http://seclists.org/fulldisclosure/2020/Dec/32

Details

Source: Mitre, NVD

Published: 2020-12-08

Updated: 2021-03-10

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High