CVE-2012-1171: PHP

Medium severity, CVSS 5.0. EPSS: 2.8% chance of exploitation in the next 30 days.

The libxml RSHUTDOWN function in PHP 5.x allows remote attackers to bypass the open_basedir protection mechanism and read arbitrary files via vectors involving a stream_close method call during use of a custom stream wrapper.

Affected products

• PHP PHP: version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; …

Published 2014-02-15. Last modified 2026-06-16.