CVE-2020-3871

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with kernel privileges.

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

VendorProductVersions
ApplemacOS>= unspecified, < macOS Catalina 10.15.3

References

Timeline

Published
Feb 27, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-38725.5A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS CataliCVE-2020-38733.3This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. Turning off "Load remote coCVE-2020-38745.3An issued existed in the naming of screenshots. The issue was corrected with improved naming. This issue is fixed in iOS 13.3.1 and iPadOS 1CVE-2020-38755.5A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15CVE-2020-38777.5An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3, watchOS 6.1.2. A remote aCVE-2020-38787.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5,CVE-2020-38807.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 6.1.2, iOS 13.3.1 and iPadOS 13.3.1, tvOSCVE-2020-38815.5A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.4. A local user may be able to view CVE-2020-38826.5This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. Importing a maliciously crafted calendar invitCVE-2020-38838.8This issue was addressed with improved checks. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6CVE-2020-38846.1An injection issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A remote attacker may be able to cCVE-2020-38854.3A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, Safari 13.1, iTunes for
CVE-2020-3871: High severity, CVSS 7.8 | Vulnix