CVE-2020-3903

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 10.15.4. An application may be able to execute arbitrary code with system 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

No affected versions have been published.

Timeline

Published
Apr 1, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-39047.8Multiple memory corruption issues were addressed with improved state management. This issue is fixed in macOS Catalina 10.15.4. A malicious CVE-2020-39057.8A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A malicious applicatiCVE-2020-39067.8A logic issue was addressed with improved restrictions. This issue is fixed in macOS Catalina 10.15.4. A maliciously crafted application mayCVE-2020-39077.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able CVE-2020-39087.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able CVE-2020-39099.8A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOSCVE-2020-39109.8A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOSCVE-2020-39119.8A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOSCVE-2020-39127.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.4. A local user may be able CVE-2020-39137.8A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in iOS 13.4 and iPadOS 13.4, CVE-2020-39145.5A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 1CVE-2020-39157.8A path handling issue was addressed with improved validation. This issue is fixed in macOS Catalina 10.15.4. A malicious application may be
CVE-2020-3903: High severity, CVSS 7.8 | Vulnix