CVE-2020-27927

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Dec 8, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-279295.5A logic issue existed in the handling of Group FaceTime calls. The issue was addressed with improved state management. This issue is fixed iCVE-2020-27937.1Vulnerability in the Oracle Financial Services Analytical Applications Infrastructure product of Oracle Financial Services Applications (comCVE-2020-279307.8A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9CVE-2020-279317.8A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fiCVE-2020-279327.8A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watCVE-2020-279337.8A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, iCloud for Windows CVE-2020-279356.3Multiple issues were addressed with improved logic. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1, watchOS 7.1, tvOSCVE-2020-279367.1An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issCVE-2020-279375.5A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, SeCVE-2020-279387.8A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, SeCVE-2020-279397.8This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security UpdateCVE-2020-27948.2Vulnerability in the Oracle Email Center product of Oracle E-Business Suite (component: Email Address list and Message Display). Supported v
CVE-2020-27927: High severity, CVSS 7.8 | Vulnix