CVE-2020-9930

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A local user may be able to cause unexpected system termination or read kernel memory.

• CWE-125

• https://support.apple.com/en-us/HT211289Vendor Advisory
• https://support.apple.com/en-us/HT211289Vendor Advisory

Published

Apr 2, 2021

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-2020-9924A logic issue was addressed with improved state management. …7.5
• CVE-2020-9925A logic issue was addressed with improved state management. …6.1
• CVE-2020-9926A use after free issue was addressed with improved memory ma…7.8
• CVE-2020-9927A memory corruption issue was addressed with improved input …7.8
• CVE-2020-9928Multiple memory corruption issues were addressed with improv…7.8
• CVE-2020-9929A memory corruption issue was addressed with improved memory…7.1
• CVE-2020-9931A denial of service issue was addressed with improved input …7.5
• CVE-2020-9932A memory corruption issue was addressed with improved valida…8.8
• CVE-2020-9933An authorization issue was addressed with improved state man…3.3
• CVE-2020-9934An issue existed in the handling of environment variables. T…5.5
• CVE-2020-9935A logic issue was addressed with improved state management. …4.3
• CVE-2020-9936An out-of-bounds write issue was addressed with improved bou…7.8