invoke-rc.d: initscript cpufreqd, action "start" failed : buffer overflow

Got that output while i'm upgrading some package with synaptic :

Paramétrage de cpufreqd (2.4.2-2) ...
 * Starting CPU Frequency daemon cpufreqd *** buffer overflow detected ***: /usr/sbin/cpufreqd terminated
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(__fortify_fail+0x63)[0xb765bbc3]
/lib/i386-linux-gnu/libc.so.6(+0x10593a)[0xb765a93a]
/lib/i386-linux-gnu/libc.so.6(+0x1060e7)[0xb765b0e7]
/usr/sbin/cpufreqd(main+0x31d)[0x804a10d]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0xb756e935]
/usr/sbin/cpufreqd[0x804b40d]
======= Memory map: ========
08048000-08052000 r-xp 00000000 08:05 70883 /usr/sbin/cpufreqd
08052000-08053000 r--p 0000a000 08:05 70883 /usr/sbin/cpufreqd
08053000-08054000 rw-p 0000b000 08:05 70883 /usr/sbin/cpufreqd
09dd7000-09df8000 rw-p 00000000 00:00 0 [heap]
b7523000-b753e000 r-xp 00000000 08:05 747873 /lib/i386-linux-gnu/libgcc_s.so.1
b753e000-b753f000 r--p 0001a000 08:05 747873 /lib/i386-linux-gnu/libgcc_s.so.1
b753f000-b7540000 rw-p 0001b000 08:05 747873 /lib/i386-linux-gnu/libgcc_s.so.1
b7554000-b7555000 rw-p 00000000 00:00 0
b7555000-b7702000 r-xp 00000000 08:05 748336 /lib/i386-linux-gnu/libc-2.17.so
b7702000-b7704000 r--p 001ad000 08:05 748336 /lib/i386-linux-gnu/libc-2.17.so
b7704000-b7705000 rw-p 001af000 08:05 748336 /lib/i386-linux-gnu/libc-2.17.so
b7705000-b7709000 rw-p 00000000 00:00 0
b7709000-b770e000 r-xp 00000000 08:05 69792 /usr/lib/libcpufreq.so.0.0.0
b770e000-b770f000 r--p 00004000 08:05 69792 /usr/lib/libcpufreq.so.0.0.0
b770f000-b7710000 rw-p 00005000 08:05 69792 /usr/lib/libcpufreq.so.0.0.0
b7710000-b7713000 r-xp 00000000 08:05 748360 /lib/i386-linux-gnu/libdl-2.17.so
b7713000-b7714000 r--p 00002000 08:05 748360 /lib/i386-linux-gnu/libdl-2.17.so
b7714000-b7715000 rw-p 00003000 08:05 748360 /lib/i386-linux-gnu/libdl-2.17.so
b7728000-b772b000 rw-p 00000000 00:00 0
b772b000-b772c000 r-xp 00000000 00:00 0 [vdso]
b772c000-b774c000 r-xp 00000000 08:05 748368 /lib/i386-linux-gnu/ld-2.17.so
b774c000-b774d000 r--p 0001f000 08:05 748368 /lib/i386-linux-gnu/ld-2.17.so
b774d000-b774e000 rw-p 00020000 08:05 748368 /lib/i386-linux-gnu/ld-2.17.so
bf94e000-bf96f000 rw-p 00000000 00:00 0 [stack]
Aborted (core dumped)
invoke-rc.d: initscript cpufreqd, action "start" failed.
dpkg: erreur de traitement de cpufreqd (--configure) :
 le sous-processus script post-installation installé a retourné une erreur de sortie d'état 134
Des erreurs ont été rencontrées pendant l'exécution :
 cpufreqd

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: cpufreqd 2.4.2-2
ProcVersionSignature: Ubuntu 3.8.0-22.33-generic 3.8.11
Uname: Linux 3.8.0-22-generic i686
ApportVersion: 2.9.2-0ubuntu8
Architecture: i386
Date: Thu May 30 08:31:27 2013
MarkForUpload: True
SourcePackage: cpufreqd
UpgradeStatus: Upgraded to raring on 2011-12-04 (542 days ago)