CVE-2020-9834

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.5. An application may be able to execute arbitrary code with kernel privileges.

• CWE-787

• https://support.apple.com/HT211170Vendor Advisory
• https://support.apple.com/HT211170Vendor Advisory

Published

Jun 9, 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.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-9828An out-of-bounds read was addressed with improved input vali…7.5
• CVE-2020-9829A validation issue was addressed with improved input sanitiz…6.5
• CVE-2020-9830A memory corruption issue was addressed with improved state …7.8
• CVE-2020-9831An out-of-bounds read was addressed with improved bounds che…5.5
• CVE-2020-9832An out-of-bounds read was addressed with improved input vali…5.5
• CVE-2020-9833A memory initialization issue was addressed with improved me…5.5
• CVE-2020-9835An issue existed in the pausing of FaceTime video. The issue…5.3
• CVE-2020-9837An out-of-bounds read was addressed with improved bounds che…7.5
• CVE-2020-9838An out-of-bounds read was addressed with improved bounds che…9.8
• CVE-2020-9839A race condition was addressed with improved state handling.…7
• CVE-2020-9840In SwiftNIO Extras before 1.4.1, a logic issue was addressed…7.5
• CVE-2020-9841An integer overflow was addressed through improved input val…7.8