CVE-2020-9857

Name of the Vulnerable Software and Affected Versions macOS versions prior to 10.15.5 Security Update versions prior to 2020-003 Mojave Security Update versions prior to 2020-003 High Sierra

Description The issue existed in the parsing of URLs, which could allow a malicious website to exfiltrate autofilled data in Safari. This was addressed with improved input validation.

Recommendations For macOS versions prior to 10.15.5, update to macOS Catalina 10.15.5. For Security Update versions prior to 2020-003 Mojave, apply Security Update 2020-003 Mojave. For Security Update versions prior to 2020-003 High Sierra, apply Security Update 2020-003 High Sierra.