PHP 5.5.7/5.4.23/5.3.28紧急发布.2013-12-13.上个版本是2013-11-14的5.5.6/5.4.22。全部修正了一个 OpenSSL的安全漏洞（CVE-2013-6420）5.3本来已停止常规开发也更新了。 总共修正了10几个Bug(包括Opcache的几个Bug)及安全漏洞。
完全改进：
Version 5.5.7
12-Dec-2013
Core:
Fixed bug #66094 (unregister_tick_function tries to cast a Closure to a string).
Fixed bug #65969 (Chain assignment with T_LIST failure).
CLI server:
Added some MIME types to the CLI web server.
Implemented FR #65917 (getallheaders() is not supported by the built-in web server) - also implements apache_response_headers()
OPCache:
Fixed bug #66176 (Invalid constant substitution).
Fixed bug #65915 (Inconsistent results with require return value).
Fixed bug #65559 (Opcache: cache not cleared if changes occur while running).
readline:
Fixed bug #65714 (PHP cli forces the tty to cooked mode).
Openssl:
Fixed memory corruption in openssl_x509_parse() (CVE-2013-6420).
Version 5.4.23
12-Dec-2013
Core:
Fixed bug #66094 (unregister_tick_function tries to cast a Closure to a string).
Fixed bug #65947 (basename is no more working after fgetcsv in certain situation).
JSON:
Fixed whitespace part of #64874 ("json_decode handles whitespace and case-sensitivity incorrectly").
MySQLi:
Fixed bug #66043 (Segfault calling bind_param() on mysqli).
mysqlnd:
Fixed bug #66124 (mysqli under mysqlnd loses precision when bind_param with 'i').
Fixed bug #66141 (mysqlnd quote function is wrong with NO_BACKSLASH_ESCAPES after failed query).
OpenSSL:
Fixed memory corruption in openssl_x509_parse() (CVE-2013-6420). (Stefan Esser).
PDO:
Fixed bug #65946 (sql_parser permanently converts values bound to strings).
Version 5.3.28
12-Dec-2013
Openssl:
Fixed handling null bytes in subjectAltName (CVE-2013-4073).
Fixed memory corruption in openssl_x509_parse() (CVE-2013-6420). (Stefan Esser).
下载：
http://cn2.php.com/distributions/php-5.5.7.tar.bz2
http://cn2.php.com/distributions/php-5.4.23.tar.bz2
http://cn2.php.com/distributions/php-5.3.28.tar.bz2
回复讨论(解决方案)
更新的也太快了点吧
不是吧！前几天刚把php5.5.6安装上去...看来这次漏洞还不小，紧急发布
愁苦,那?多服?器咋更新啊....
圣诞节前最后一版。
生产环境还是5.2.17 不准备升级 稳定才是王道
紧急更新。。。
5.3比5.2快10倍
5.4比5.3快10倍
生产环境还是5.2.17 不准备升级 稳定才是王道
5.3比5.2快10倍
5.4比5.3快10倍
生产环境还是5.2.17 不准备升级 稳定才是王道
对于一般站点来说，这10倍基本上是感觉不出来的，并且还要承担不稳定的风险，还不如优化一下缓存收益高。
Fixed whitespace part of #64874 ("json_decode handles whitespace and case-sensitivity incorrectly").
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这。。。难道是我上次遇到的那个问题。
