CVE-2009-0754: PHP

Low severity, CVSS 2.1. EPSS: 0.9% chance of exploitation in the next 30 days.

PHP 4.4.4, 5.1.6, and other versions, when running on Apache, allows local users to modify behavior of other sites hosted on the same web server by modifying the mbstring.func_overload setting within .htaccess, which causes this setting to be applied to other virtual hosts on the same server.

Affected products

• PHP PHP: version 4.4.4 only; version 5.1.6 only

Published 2009-03-03. Last modified 2026-06-16.