CVE-2020-3909

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120

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

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CVE-2020-3909: Critical severity, CVSS 9.8 | Vulnix