Malformed header from CGI script: *** Error in `/usr/local/bin/php53': double free or corruption (!prev): 0x0000000006655730 *** ======= Backtrace: ========= /usr//lib/libc.so.6(+0x7198e)[0x7f685ae4998e] /usr//lib/libc.so.6(+0x76dee)[0x7f685ae4edee] /usr//lib/libc.so.6(+0x775cb)[0x7f685ae4f5cb] /usr/local/bin/php53(_mysqlnd_free+0xb3)[0xa7bf59] /usr/local/bin/php53[0xa7d999] /usr/local/bin/php53[0xa7206b] /usr/local/bin/php53[0xa7239b] /usr/local/bin/php53[0xa724c7] /usr/local/bin/php53[0xa72536] /usr/local/bin/php53[0xa76571] /usr/local/bin/php53[0x7e1353] /usr/local/bin/php53(zend_objects_store_free_object_storage+0x101)[0xb22d5d] /usr/local/bin/php53[0xae86ce] /usr/local/bin/php53[0xaf81ea] /usr/local/bin/php53(php_request_shutdown+0x274)[0xa8d875] /usr/local/bin/php53[0xbd0ebf] /usr//lib/libc.so.6(__libc_start_main+0xf0)[0x7f685adf8800] /usr/local/bin/php53(_start+0x29)[0x519c49] ======= Memory map: ======== Status: 500 Set-Cookie: 3657996f7288ef8cdbd5a972e3963dff=a0f6dbf6e723367e0ae712d224a765d8; path=/ Content-type: text/html CRASH: PHP abort exception