chkutmp assert failure: *** stack smashing detected ***: ./chkutmp terminated

Hello,

Today i get the same bug on Kubuntu Lucid 10.04 64 bits using chkrootkit 0.49-4 amd64

Description: Ubuntu 10.04.3 LTS
Release: 10.04

Linux moonlights 2.6.38-10-generic #46~lucid1-Ubuntu SMP Wed Jul 6 18:41:04 UTC 2011 x86_64 GNU/Linux

Checking `chkutmp'... *** stack smashing detected ***: ./chkutmp terminated
======= Backtrace: =========
/lib/libc.so.6(__fortify_fail+0x37)[0x7f4c91050217]
/lib/libc.so.6(__fortify_fail+0x0)[0x7f4c910501e0]
./chkutmp[0x400eb2]
./chkutmp[0x401097]
/lib/libc.so.6(__libc_start_main+0xfd)[0x7f4c90f6fc4d]
./chkutmp[0x400999]
======= Memory map: ========
00400000-00402000 r-xp 00000000 fc:01 28971790 /usr/lib/chkrootkit/chkutmp
00601000-00602000 r--p 00001000 fc:01 28971790 /usr/lib/chkrootkit/chkutmp
00602000-00603000 rw-p 00002000 fc:01 28971790 /usr/lib/chkrootkit/chkutmp
02055000-02076000 rw-p 00000000 00:00 0 [heap]
7f4c90d3a000-7f4c90d50000 r-xp 00000000 fc:01 24379447 /lib/libgcc_s.so.1
7f4c90d50000-7f4c90f4f000 ---p 00016000 fc:01 24379447 /lib/libgcc_s.so.1
7f4c90f4f000-7f4c90f50000 r--p 00015000 fc:01 24379447 /lib/libgcc_s.so.1
7f4c90f50000-7f4c90f51000 rw-p 00016000 fc:01 24379447 /lib/libgcc_s.so.1
7f4c90f51000-7f4c910cb000 r-xp 00000000 fc:01 24394864 /lib/libc-2.11.1.so
7f4c910cb000-7f4c912ca000 ---p 0017a000 fc:01 24394864 /lib/libc-2.11.1.so
7f4c912ca000-7f4c912ce000 r--p 00179000 fc:01 24394864 /lib/libc-2.11.1.so
7f4c912ce000-7f4c912cf000 rw-p 0017d000 fc:01 24394864 /lib/libc-2.11.1.so
7f4c912cf000-7f4c912d4000 rw-p 00000000 00:00 0
7f4c912d4000-7f4c912f4000 r-xp 00000000 fc:01 24383332 /lib/ld-2.11.1.so
7f4c914c8000-7f4c914cb000 rw-p 00000000 00:00 0
7f4c914f1000-7f4c914f3000 rw-p 00000000 00:00 0
7f4c914f3000-7f4c914f4000 r--p 0001f000 fc:01 24383332 /lib/ld-2.11.1.so
7f4c914f4000-7f4c914f5000 rw-p 00020000 fc:01 24383332 /lib/ld-2.11.1.so
7f4c914f5000-7f4c914f6000 rw-p 00000000 00:00 0
7fffa0b98000-7fffa0d0f000 rw-p 00000000 00:00 0 [stack]
7fffa0d90000-7fffa0d91000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted

hkrootkit:
  Installé : 0.49-4
  Candidat : 0.49-4
 Table de version :
 *** 0.49-4 0
        100 /var/lib/dpkg/status
     0.49-3 0
        500 http://archive.ubuntu.com/ubuntu/ lucid/main Packages

Best Regards
---
Architecture: amd64
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
InstallationMedia: Kubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
NonfreeKernelModules: nvidia
Package: chkrootkit 0.49-4
PackageArchitecture: amd64
ProcEnviron:
 LANGUAGE=
 LANG=fr_CH.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.38-10.46~lucid1-generic 2.6.38.7
Tags: lucid
Uname: Linux 2.6.38-10-generic x86_64
UnreportableReason: This is not a genuine Ubuntu package
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare