PHP 4.0 with cURL functions allows remote attackers to bypass the open_basedir setting and read arbitrary files via a file: URL argument to the curl_init function.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9279
https://exchange.xforce.ibmcloud.com/vulnerabilities/17900
https://bugzilla.fedora.us/show_bug.cgi?id=2344
http://www.redhat.com/support/errata/RHSA-2005-406.html
http://www.redhat.com/support/errata/RHSA-2005-405.html