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core dump with OpenLDAP 2.0.23, Apache, mod_auth_ldap (ITS#1628)

Full_Name: Marko Asplund
Version: 2.0.23
OS: Linux (RedHat 6.2)
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (

i'm using Apache 1.3.23 with LDAP authentication (mod_auth_ldap v2.4)
compiled with OpenLDAP v2.0.23. the Apache server dumps core
when it receives the first HTTP request. i've also compiled Apache
with exactly the same configuration but with OpenLDAP v2.0.15 which
doesn't have this problem.

i get the following error message in Apache log:
[Wed Mar  6 11:26:01 2002] [notice] child pid 20277 exit signal Segmentation
fault (11), possible coredump in /home2/aspa/kronodoc/DEV-2.0-fs2/httpd

gdb says this about the core:
Program terminated with signal 11, Segmentation fault.
#0  0x80ce299 in ldap_free_request (ld=0x82b3a00, lr=0x82ba160)
    at request.c:565

i'm on RedHat v6.2 Linux (kernel v2.2.18). in addition to mod_auth_ldap 
Apache has been compiled with mod_fastcgi v2.2.12, mod_ssl v2.8.7-1.3.23,
mod_dav v1.0.3-1.3.6 and mod rewrite (comes with Apache source).