CVE-2009-1727: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 2.7% chance of exploitation in the next 30 days.

Incomplete blacklist vulnerability in CoreTypes in Apple Mac OS X 10.5 before 10.5.8 makes it easier for user-assisted remote attackers to execute arbitrary JavaScript via a web page that offers a download with a Content-Type value that is not on the list of possibly unsafe content types for Safari.

Affected products

• Apple Mac OS X: version 10.5.6 only; version 10.5 only; version 10.5.0 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; …
• Apple Mac OS X Server: version 10.5 only; version 10.5.0 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; version 10.5.4 only; …

Published 2009-08-06. Last modified 2026-06-16.