CVE-2020-3911 Information

Description

A 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 tvOS 13.4 watchOS 6.2 iTunes for Windows 12.10.5 iCloud for Windows 10.9.3 iCloud for Windows 7.18. Multiple issues in libxml2.

CVSS Vector

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

Reference

https://support.apple.com/HT211100 https://support.apple.com/HT211101 https://support.apple.com/HT211102 https://support.apple.com/HT211103 https://support.apple.com/HT211105 https://support.apple.com/HT211106 https://support.apple.com/HT211107

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8