CVE-2020-27952

HIGH

macOS 10.14-10.14.5 and 11.0 - Out-of-bounds Write via Malicious Font File

Title source: llm
STIX 2.1

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. Processing a maliciously crafted font file may lead to arbitrary code execution.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211931
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212011

Scores

CVSS v3 7.8
EPSS 0.0089
EPSS Percentile 55.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (4)
apple/mac_os_x 10.14.6 (13 CPE variants)
apple/mac_os_x 10.15.7 (2 CPE variants)
apple/mac_os_x 10.14 - 10.14.6
apple/macos 11.0 - 11.1.0
Published Apr 02, 2021
Tracked Since Feb 18, 2026