CVE-2020-27920

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A use after free issue was addressed with improved memory management. 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, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
ApplewatchOS>= unspecified, < 7.1
AppleiOS and iPadOS>= unspecified, < 14.2
AppletvOS>= unspecified, < 14.2
ApplemacOS>= unspecified, < 11.0
ApplemacOS>= unspecified, < 11.1

References

Timeline

Published
Apr 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-279217.0A race condition was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, SCVE-2020-279227.8A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, SeCVE-2020-279237.8An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CatCVE-2020-279247.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 CataCVE-2020-279255.5An issue existed in the handling of incoming calls. The issue was addressed with additional state checks. This issue is fixed in iOS 14.2 anCVE-2020-279267.8A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2. Processing maliciouslCVE-2020-279277.8An 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 1CVE-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, wat
CVE-2020-27920: High severity, CVSS 8.8 | Vulnix