CVE-2020-9906

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-20CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Oct 22, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-99077.8A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8. An apCVE-2020-99087.1An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. A local user may be able CVE-2020-99095.9An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2CVE-2020-99108.8Multiple issues were addressed with improved logic. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, Safari 13.1CVE-2020-99117.5A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.6 and iPadOS 13.6, Safari 13.1.2. An issue in Safari RCVE-2020-99123.3A logic issue was addressed with improved restrictions. This issue is fixed in Safari 13.1.2. A malicious attacker may be able to change theCVE-2020-99135.5This issue was addressed with improved data protection. This issue is fixed in macOS Catalina 10.15.6. A local user may be able to leak sensCVE-2020-99147.5An input validation issue existed in Bluetooth. This issue was addressed with improved input validation. This issue is fixed in iOS 13.6 andCVE-2020-99156.5An access issue existed in Content Security Policy. This issue was addressed with improved access restrictions. This issue is fixed in iOS 1CVE-2020-99165.3A URL Unicode encoding issue was addressed with improved state management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watCVE-2020-99177.5This issue was addressed with improved checks. This issue is fixed in iOS 13.6 and iPadOS 13.6. A remote attacker may be able to cause a denCVE-2020-99189.8An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.
CVE-2020-9906: Critical severity, CVSS 9.1 | Vulnix