CVE-2019-8756

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. Multiple issues in libxml2.

• CWE-787

• https://support.apple.com/en-us/HT210604Vendor Advisory
• https://support.apple.com/en-us/HT210606Vendor Advisory
• https://support.apple.com/en-us/HT210607Vendor Advisory
• https://support.apple.com/en-us/HT210634Vendor Advisory
• https://support.apple.com/en-us/HT210635Vendor Advisory
• https://support.apple.com/en-us/HT210636Vendor Advisory
• https://support.apple.com/en-us/HT210637Vendor Advisory
• https://support.apple.com/en-us/HT210722Vendor Advisory
• https://support.apple.com/en-us/HT210604Vendor Advisory
• https://support.apple.com/en-us/HT210606Vendor Advisory
• https://support.apple.com/en-us/HT210607Vendor Advisory
• https://support.apple.com/en-us/HT210634Vendor Advisory
• https://support.apple.com/en-us/HT210635Vendor Advisory
• https://support.apple.com/en-us/HT210636Vendor Advisory
• https://support.apple.com/en-us/HT210637Vendor Advisory
• https://support.apple.com/en-us/HT210722Vendor Advisory

Published

Oct 27, 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.
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