Security Enhancements and Fixes in PHP 5.2.12:
* 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
number of file uploads per-request to 20 by default, to prevent possible
DOS via temporary file exhaustion, identified by Bogdan
Calin. (CVE-2009-4017, Ilia)
* Added protection for $_SESSION from interrupt corruption and improved
"session.save_path" check, identified by Stefan Esser. (CVE-2009-4143,
Stas)
* Fixed bug #49785 (insufficient input string validation of
htmlspecialchars()). (CVE-2009-4142, Moriyoshi, hello at iwamot dot com)
Key enhancements in PHP 5.2.12 include:
* Fixed unnecessary invocation of setitimer when timeouts have been
disabled. (Arvind Srinivasan)
* Fixed crash in com_print_typeinfo when an invalid typelib is given. (Pierre)
* Fixed crash in SQLiteDatabase::ArrayQuery() and
SQLiteDatabase::SingleQuery() when calling using Reflection. (Felipe)
* Fixed crash when instantiating PDORow and PDOStatement through
Reflection. (Felipe)
* Fixed memory leak in openssl_pkcs12_export_to_file(). (Felipe)
* Fixed bug #50207 (segmentation fault when concatenating very large strings
on 64bit linux). (Ilia)
* Fixed bug #50162 (Memory leak when fetching timestamp column from Oracle
database). (Felipe)
* Fixed bug #50006 (Segfault caused by uksort()). (Felipe)
* Fixed bug #50005 (Throwing through Reflection modified Exception object
makes segmentation fault). (Felipe)
* Fixed bug #49174 (crash when extending PDOStatement and trying to set
queryString property). (Felipe)
* Fixed bug #49098 (mysqli segfault on error). (Rasmus)
* Over 50 other bug fixes.
5d136a7bb6