[Dovecot] Out of memory errors

[Bill Boebel]

Do these errors indicate a memory leak?  I see them in the logs a few times per day on each of our servers, running CVS dovecot-20060924...

Oct  8 22:21:30 mail38b dovecot: auth(default): block_alloc(): Out of memory
Oct  8 22:21:30 mail38b dovecot: child 6391 (auth) returned error 83 (Out of memory)
Oct  9 20:05:05 mail38b dovecot: auth(default): pool_system_realloc(): Out of memory
Oct  9 20:05:05 mail38b dovecot: child 655 (auth) returned error 83 (Out of memory)
 

Bill