CVE-2020-9887: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 1% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. Viewing a maliciously crafted JPEG file may lead to arbitrary code execution.

Affected products

• Apple Mac OS X: from 10.13.6, before 10.15.6 (fixed in 10.15.6)

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