Fixed a safe_mode bypass in tempnam() identified by Grzegorz Stachowiak. (CVE-2009-3557, Rasmus)
Fixed a open_basedir bypass in posix_mkfifo() identified by Grzegorz Stachowiak. (CVE-2009-3558, Rasmus)
Added"max_file_uploads" INI directive, which can be set to limit the numberof file uploads per-request to 20 by default, to prevent possible DOSvia temporary file exhaustion, identified by Bogdan Calin.(CVE-2009-4017, Ilia)
Added protection for $_SESSION frominterrupt corruption and improved "session.save_path" check, identifiedby Stefan Esser. (CVE-2009-4143, Stas)
Fixed bug #49785(insufficient input string validation of htmlspecialchars()).(CVE-2009-4142, Moriyoshi, hello at iwamot dot com)