The PHP team is once again proud to participate in the Google Summer of Code, and we are still looking for project ideas from interested students. In case you want to spend the summer with your favorite Open Source project, PHP, and get some money for adding an interesting project to it, you should contact us at internals@php.net. The deadline for submitting ideas is the 24th of March, 2007. Also, the current list of ideas includes suggested topics still looking for student participants.

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The PHP team is proud to once again participate in the Google Summer of Code. We are still looking for project ideas of interested students. In case you want to spend your summer with your favorite open source project, PHP, and get some money for adding an interesting project to it, you should contact us at internals@php.net. The deadline for submitting ideas is the 24th of March 2007. The current list of ideas can be seen here http://php.net/ideas, which includes suggested topics still looking for student participants. If you have not heard of the Google Summer of Code, then have a look here http://code.google.com/soc.

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The PHP development team would like to announce the immediate availability of PHP 4.4.6. The main issue that this release addresses is a crash problem that was introduced in PHP 4.4.5. The problem occurs when session variables are used while register_globals is enabled. Details about the PHP 4.4.6 release can be found in the release announcement for 4.4.6, the full list of changes is available in the ChangeLog for PHP 4.

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The PHP development team would like to announce the immediate availability of PHP 5.2.1 and availability of PHP 4.4.5. These releases are major stability and security enhancements of the 5.x and 4.4.x branches, and all users are strongly encouraged to upgrade to it as soon as possible. Further details about the PHP 5.2.1 release can be found in the release announcement for 5.2.1, the full list of changes is available in the ChangeLog for PHP 5. Details about the PHP 4.4.5 release can be found in the release announcement for 4.4.5, the full list of changes is available in the ChangeLog for PHP 4. Security Enhancements and Fixes in PHP 5.2.1 and PHP 4.4.5: Fixed possible safe_mode & open_basedir bypasses inside the session extension. Fixed unserialize() abuse on 64 bit systems with certain input strings. Fixed possible overflows and stack corruptions in the session extension. Fixed an underflow inside the internal sapi_header_op() function. Fixed non-validated resource destruction inside the shmop extension. Fixed a possible overflow in the str_replace() function. Fixed possible clobbering of super-globals in several code paths. Fixed a possible information disclosure inside the wddx extension. Fixed a possible string format vulnerability in *print() functions on 64 bit systems. Fixed a possible buffer overflow inside ibase_{delete,add,modify}_user() functions. Fixed a string format vulnerability inside the odbc_result_all() function. Security Enhancements and Fixes in PHP 5.2.1 only: Prevent search engines from indexing the phpinfo() page. Fixed a number of input processing bugs inside the filter extension. Fixed allocation bugs caused by attempts to allocate negative values in some code paths. Fixed possible stack/buffer overflows inside zip, imap & sqlite extensions. Fixed several possible buffer overflows inside the stream filters. Memory limit is now enabled by default. Added internal heap protection. Extended filter extension support for $_SERVER in CGI and apache2 SAPIs. Security Enhancements and Fixes in PHP 4.4.5 only: Fixed possible overflows inside zip & imap extensions. Fixed a possible buffer overflow inside mail() function on Windows. Unbundled the ovrimos extension. The majority of the security vulnerabilities discovered and resolved can in most cases be only abused by local users and cannot be triggered remotely. However, some of the above issues can be triggered remotely in certain situations, or exploited by malicious local users on shared hosting setups utilizing PHP as an Apache module. Therefore, we strongly advise all users of PHP, regardless of the version to upgrade to the 5.2.1 or 4.4.5 releases as soon as possible. For users upgrading to PHP 5.2 from PHP 5.0 and PHP 5.1, an upgrade guide is available here, detailing the changes between those releases and PHP 5.2.1. Update: Feb 14th; Added release information for PHP 4.4.5. Update: Feb 12th; The Windows install package had problems with upgrading from previous PHP versions. That has now been fixed and new file posted in the download section.

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The PHP development team would like to announce the immediate availability of PHP 5.2.1. This release is a major stability and security enhancement of the 5.X branch, and all users are strongly encouraged to upgrade to it as soon as possible. Further details about this release can be found in the release announcement 5.2.1, the full list of changes is available in the ChangeLog PHP 5. Security Enhancements and Fixes in PHP 5.2.1: Fixed possible safe_mode & open_basedir bypasses inside the session extension. Prevent search engines from indexing the phpinfo() page. Fixed a number of input processing bugs inside the filter extension. Fixed unserialize() abuse on 64 bit systems with certain input strings. Fixed possible overflows and stack corruptions in the session extension. Fixed an underflow inside the internal sapi_header_op() function. Fixed allocation bugs caused by attempts to allocate negative values in some code paths. Fixed possible stack overflows inside zip, imap & sqlite extensions. Fixed several possible buffer overflows inside the stream filters. Fixed non-validated resource destruction inside the shmop extension. Fixed a possible overflow in the str_replace() function. Fixed possible clobbering of super-globals in several code paths. Fixed a possible information disclosure inside the wddx extension. Fixed a possible string format vulnerability in *print() functions on 64 bit systems. Fixed a possible buffer overflow inside mail() and ibase_{delete,add,modify}_user() functions. Fixed a string format vulnerability inside the odbc_result_all() function. Memory limit is now enabled by default. Added internal heap protection. Extended filter extension support for $_SERVER in CGI and apache2 SAPIs. The majority of the security vulnerabilities discovered and resolved can in most cases be only abused by local users and cannot be triggered remotely. However, some of the above issues can be triggered remotely in certain situations, or exploited by malicious local users on shared hosting setups utilizing PHP as an Apache module. Therefore, we strongly advise all users of PHP, regardless of the version to upgrade to 5.2.1 release as soon as possible. PHP 4.4.5 with equivalent security corrections will be available shortly. For users upgrading from PHP 5.0 and PHP 5.1, an upgrade guide is available here, detailing the changes between those releases and PHP 5.2.1.

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