CVE-2020-9869: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.6. A remote attacker may cause an unexpected application termination.

Affected products

• Apple Mac OS X: before 10.15.6 (fixed in 10.15.6)

Published 2020-10-22. Last modified 2026-06-17.