CVE-2020-27927

HIGH

iPadOS < 14.2 - Out-of-bounds Write via Maliciously Crafted Font File

Title source: llm
STIX 2.1

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 (5)

Core 5
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/HT211928
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211929
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT211930
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2020/Dec/32

Scores

CVSS v3 7.8
EPSS 0.0125
EPSS Percentile 65.9%
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 (5)
apple/ipados < 14.2
apple/iphone_os < 14.2
apple/macos < 11.0.1
apple/tvos < 14.2
apple/watchos < 7.1
Published Dec 08, 2020
Tracked Since Feb 18, 2026