CVE-2020-9930

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A local user may be able to cause unexpected system termination or read kernel memory.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2020

CVE-2020-99317.5A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6. A remote attacker mCVE-2020-99328.8A memory corruption issue was addressed with improved validation. This issue is fixed in Safari 13.0.1, iOS 13.1 and iPadOS 13.1, tvOS 13. PCVE-2020-99333.3An authorization issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6CVE-2020-99345.5An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.CVE-2020-99354.3A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.6. A user may be unexpectedly loggedCVE-2020-99367.8An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10CVE-2020-99377.8An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10CVE-2020-99387.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6,CVE-2020-99396.4This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to load unsigned kernCVE-2020-99407.8A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6CVE-2020-99417.5This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, SecurityCVE-2020-99424.3An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.0.1, Safari 13.1.
CVE-2020-9930: High severity, CVSS 7.1 | Vulnix