Does anyone know how to fix this error?
root@server1 [/home/wps/www]# tail -f /usr/local/apache/logs/error_log | grep malloc
*** glibc detected *** malloc(): memory corruption: 0x0946ff58 ***
*** glibc detected *** malloc(): memory corruption: 0x08bc8f80 ***
*** glibc detected *** malloc(): memory corruption: 0x09645fe0 ***
*** glibc detected *** malloc(): memory corruption: 0x0988fb50 ***
*** glibc detected *** malloc(): memory corruption: 0x08cd1058 ***
*** glibc detected *** malloc(): memory corruption: 0x0a484ee0 ***
*** glibc detected *** malloc(): memory corruption: 0x0a12cfe0 ***
*** glibc detected *** malloc(): memory corruption: 0x0a0eb2f0 ***
*** glibc detected *** malloc(): memory corruption: 0x086fc078 ***
*** glibc detected *** malloc(): memory corruption: 0x08d5d078 ***
*** glibc detected *** malloc(): memory corruption: 0x09913ee0 ***
*** glibc detected *** malloc(): memory corruption: 0x0928d078 ***
*** glibc detected *** malloc(): memory corruption: 0x097cff58 ***
*** glibc detected *** malloc(): memory corruption: 0x092f7f80 ***
*** glibc detected *** malloc(): memory corruption: 0x09aeef58 ***
*** glibc detected *** malloc(): memory corruption: 0x09499ee0 ***

have you done any changes to your glibc recently??

I would rebuild Apache to link against the glibc installed on the system.

Peace...