Bug#355858: apache segfaults (sig 11) when using mod_rewriterule, amd64 specific

[Miham Kerekes <miham@bibl.u-szeged.hu>]

Package: apache
Version: 1.3.33-6sarge1
Severity: grave
Justification: renders package unusable

Additional information provided below.

-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.11
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages apache depends on:
ii  apache-common             1.3.33-6sarge1 support files for all Apache webse
ii  debconf                   1.4.30.13      Debian configuration management sy
ii  dpkg                      1.10.28        Package maintenance system for Deb
ii  libc6                     2.3.2.ds1-22   GNU C Library: Shared libraries an
ii  libdb4.2                  4.2.52-18      Berkeley v4.2 Database Libraries [
ii  libexpat1                 1.95.8-3       XML parsing C library - runtime li
ii  libmagic1                 4.12-1         File type determination library us
ii  logrotate                 3.7-5          Log rotation utility
ii  mime-support              3.28-1         MIME files 'mime.types' & 'mailcap
ii  perl                      5.8.4-8sarge3  Larry Wall's Practical Extraction 

-- debconf information:
  apache/server-name: localhost
  apache/server-port: 80
  apache/enable-suexec: false
  apache/init: true
  apache/document-root: /var/www
  apache/server-admin: webmaster@bibl.u-szeged.hu

-- snippet from httpd.conf --
  <IfModule mod_rewrite.c>
    RewriteEngine     On
    RewriteLog /var/log/apache/rewrite.log
    RewriteLogLevel 9
    RewriteRule /languages/([a-z]+)/([a-z]+)/([a-z]+)/([0-9a-z]+)$	/index.php?cmd=$2&lang=$1&oper=$3&param=$4
    RewriteRule /languages/([a-z]+)/([a-z]+)/([a-z]+)$			/index.php?cmd=$2&lang=$1&oper=$3
    RewriteRule /languages/([a-z]+)/([a-z]+)$				/index.php?cmd=$2&lang=$1
  </IfModule>

-- snippet from rewrite.log --
160.114.48.62 - - [08/Mar/2006:09:38:42 +0100] [SITENAME/sid#58a758][rid#809eb0/initial] (2) init rewrite engine with requested uri /languages/hungarian/edit
160.114.48.62 - - [08/Mar/2006:09:38:42 +0100] [SITENAME/sid#58a758][rid#809eb0/initial] (3) applying pattern '/languages/([a-z]+)/([a-z]+)/([a-z]+)/([0-9a-z]+)$' to uri '/languages/hungarian/edit'
160.114.48.62 - - [08/Mar/2006:09:38:42 +0100] [SITENAME/sid#58a758][rid#809eb0/initial] (2) init rewrite engine with requested uri /languages/hungarian/edit
160.114.48.62 - - [08/Mar/2006:09:38:42 +0100] [SITENAME/sid#58a758][rid#809eb0/initial] (3) applying pattern '/languages/([a-z]+)/([a-z]+)/([a-z]+)/([0-9a-z]+)$' to uri '/languages/hungarian/edit'

-- snippet from global apache error.log --
[Wed Mar  8 09:38:42 2006] [notice] child pid 25554 exit signal Segmentation fault (11)
[Wed Mar  8 09:38:42 2006] [notice] child pid 25555 exit signal Segmentation fault (11)

-- other information: 
* same config works on the same server on an i386 chroot system
  (same apache, same libs, same PHP version (compiled from source))
* removing the first rewriterule causes system works for urls like the
  one in rewrite.log, but still segfaults on this: /languages/hungarian