CVE-2020-3911

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.

• CWE-120

• https://support.apple.com/HT211100Vendor Advisory
• https://support.apple.com/HT211101Vendor Advisory
• https://support.apple.com/HT211102Vendor Advisory
• https://support.apple.com/HT211103Vendor Advisory
• https://support.apple.com/HT211105Vendor Advisory
• https://support.apple.com/HT211106Vendor Advisory
• https://support.apple.com/HT211107Vendor Advisory
• https://support.apple.com/HT211100Vendor Advisory
• https://support.apple.com/HT211101Vendor Advisory
• https://support.apple.com/HT211102Vendor Advisory
• https://support.apple.com/HT211103Vendor Advisory
• https://support.apple.com/HT211105Vendor Advisory
• https://support.apple.com/HT211106Vendor Advisory
• https://support.apple.com/HT211107Vendor Advisory

Published

Apr 1, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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• CVE-2020-3905A memory corruption issue was addressed with improved input …7.8
• CVE-2020-3906A logic issue was addressed with improved restrictions. This…7.8
• CVE-2020-3907An out-of-bounds read was addressed with improved input vali…7.1
• CVE-2020-3908An out-of-bounds read was addressed with improved input vali…7.1
• CVE-2020-3909A buffer overflow was addressed with improved bounds checkin…9.8
• CVE-2020-3910A buffer overflow was addressed with improved size validatio…9.8
• CVE-2020-3912An out-of-bounds read was addressed with improved input vali…7.1
• CVE-2020-3913A permissions issue existed. This issue was addressed with i…7.8
• CVE-2020-3914A memory initialization issue was addressed with improved me…5.5
• CVE-2020-3915A path handling issue was addressed with improved validation…7.8
• CVE-2020-3916An access issue was addressed with additional sandbox restri…5.3
• CVE-2020-3917This issue was addressed with a new entitlement. This issue …5.5