19 Feb 2015, PHP 5.6.6
Core:
* Removed support for multi-line headers, as the are deprecated by RFC 7230. (Stas)
* Fixed bug #67068 (getClosure returns somethings that’s not a closure). (Danack at basereality dot com)
* Fixed bug #68942 (Use after free vulnerability in unserialize() with DateTimeZone). (CVE-2015-0273) (Stas)
* Fixed bug #68925 (Mitigation for CVE-2015-0235 – GHOST: glibc gethostbyname buffer overflow). (Stas)
* Fixed Bug #67988 (htmlspecialchars() does not respect default_charset specified by ini_set) (Yasuo)
* Added NULL byte protection to exec, system and passthru. (Yasuo)
Dba:
* Fixed bug #68711 (useless comparisons). (bugreports at internot dot info)
Enchant:
* Fixed bug #68552 (heap buffer overflow in enchant_broker_request_dict()). (Antony)
Fileinfo:
* Fixed bug #68827 (Double free with disabled ZMM). (Joshua Rogers)
* Fixed bug #67647 (Bundled libmagic 5.17 does not detect quicktime files correctly). (Anatol)
* Fixed bug #68731 (finfo_buffer doesn’t extract the correct mime with some gifs). (Anatol)
FPM:
* Fixed bug #66479 (Wrong response to FCGI_GET_VALUES). (Frank Stolle)
* Fixed bug #68571 (core dump when webserver close the socket). (redfoxli069 at gmail dot com, Laruence)
LIBXML:
* Fixed bug #64938 (libxml_disable_entity_loader setting is shared between threads). (Martin Jansen)
Mysqli:
* Fixed bug #68114 (linker error on some OS X machines with fixed width decimal support) (Keyur Govande)
* Fixed bug #68657 (Reading 4 byte floats with Mysqli and libmysqlclient has rounding errors) (Keyur Govande)
Opcache:
* Fixed bug with try blocks being removed when extended_info opcode generation is turned on. (Laruence)
PDO_mysql:
* Fixed bug #68750 (PDOMysql with mysqlnd does not allow the usage of named pipes). (steffenb198 at aol dot com)
Phar:
* Fixed bug #68901 (use after free). (bugreports at internot dot info)
Pgsql:
* Fixed Bug #65199 (pg_copy_from() modifies input array variable) (Yasuo)
Session:
* Fixed bug #68941 (mod_files.sh is a bash-script) (bugzilla at ii.nl, Yasuo)
* Fixed Bug #66623 (no EINTR check on flock) (Yasuo)
* Fixed bug #68063 (Empty session IDs do still start sessions) (Yasuo)
Sqlite3:
* Fixed bug #68260 (SQLite3Result::fetchArray declares wrong required_num_args). (Julien)
Standard:
* Fixed bug #65272 (flock() out parameter not set correctly in windows). (Daniel Lowrey)
* Fixed bug #69033 (Request may get env. variables from previous requests if PHP works as FastCGI). (Anatol)
Streams:
* Fixed bug which caused call after final close on streams filter. (Bob)