nginx 0.3.13 *) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS. *) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and /dev/poll methods. *) Bugfix: in SSI handling. *) Bugfix: now Solaris sendfilev() is not used to transfer the client request body to FastCGI-server via the unix domain socket. *) Bugfix: the "auth_basic" directive did not disable the authorization; bug appeared in 0.3.11.

--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -182,6 +182,8 @@ ngx_conf_parse(ngx_conf_t *cf, ngx_str_t
 
 
     if (filename) {
+        ngx_pfree(cf->pool, cf->conf_file->buffer->start);
+
         cf->conf_file = prev;
 
         if (ngx_close_file(fd) == NGX_FILE_ERROR) {