CVE-2020-9899

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.

• CWE-787

• https://support.apple.com/kb/HT211289Vendor Advisory
• https://support.apple.com/kb/HT211289Vendor Advisory

Published

Oct 22, 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-2020-9894An out-of-bounds read was addressed with improved input vali…4.3
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• CVE-2020-9900An issue existed within the path validation logic for symlin…7.8
• CVE-2020-9901An issue existed within the path validation logic for symlin…7.8
• CVE-2020-9902An out-of-bounds read was addressed with improved bounds che…5.5
• CVE-2020-9903A logic issue was addressed with improved restrictions. This…7.5
• CVE-2020-9904A memory corruption issue was addressed with improved state …7.8
• CVE-2020-9905A buffer overflow was addressed with improved bounds checkin…7.5