Malformed header from CGI script: *** Error in `/usr/local/bin/php53': double free or corruption (!prev): 0x000000000a000cf0 *** ======= Backtrace: ========= /usr//lib/libc.so.6(+0x7198e)[0x7f1191db998e] /usr//lib/libc.so.6(+0x76dee)[0x7f1191dbedee] /usr//lib/libc.so.6(+0x775cb)[0x7f1191dbf5cb] /usr/local/bin/php53(_mysqlnd_free+0xb3)[0xac5ba8] /usr/local/bin/php53[0xac75e8] /usr/local/bin/php53[0xabbcba] /usr/local/bin/php53[0xabbfea] /usr/local/bin/php53[0xabc116] /usr/local/bin/php53[0xabc185] /usr/local/bin/php53[0xac01c0] /usr/local/bin/php53[0x7e2553] /usr/local/bin/php53(zend_objects_store_free_object_storage+0x101)[0xb6c9ac] /usr/local/bin/php53[0xb3231d] /usr/local/bin/php53[0xb41e39] /usr/local/bin/php53(php_request_shutdown+0x274)[0xad74c4] /usr/local/bin/php53[0xc1ab0e] /usr//lib/libc.so.6(__libc_start_main+0xf0)[0x7f1191d68800] /usr/local/bin/php53(_start+0x29)[0x51ae49] ======= Memory map: ======== Set-Cookie: _PHP_SESSION_PHP=10; expires=Thu, 10-Sep-2015 06:46:36 GMT; path=/ Set-Cookie: dd76ff19b079b23dd631859bdd88b128=0255b18022b9664c6f8f534a37180ad4; path=/; HttpOnly Content-type: text/html CRASH: PHP abort exception