openshot crashed with SIGABRT in __malloc_assert()

[nastys]

OpenShot crashes every time I try to play the timeline witch contains a title generated using OpenShot (.svg).
However it does not crash if I save the project with the title in the timeline, restart OpenShot and play the timeline.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: openshot 1.4.3-1
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Thu Oct 10 16:07:48 2013
ExecutablePath: /usr/bin/openshot
InstallationDate: Installed on 2013-10-03 (7 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/openshot
ProcEnviron:
 LANGUAGE=it_IT
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: openshot
StacktraceTop:
 __malloc_assert (assertion=assertion@entry=0x7f53b6274bb0 "victim->bk_nextsize->fd_nextsize == victim", file=file@entry=0x7f53b627068d "malloc.c", line=line@entry=3642, function=function@entry=0x7f53b627098b <__func__.11428> "_int_malloc") at malloc.c:288
 _int_malloc (av=av@entry=0x7f5364000020, bytes=bytes@entry=1136) at malloc.c:3642
 _int_memalign (av=av@entry=0x7f5364000020, alignment=alignment@entry=32, bytes=bytes@entry=1053) at malloc.c:4340
 __GI___libc_memalign (alignment=32, bytes=1053) at malloc.c:3033
 __posix_memalign (memptr=0x7f5377cf04d8, alignment=18446744073709551615, size=30366) at malloc.c:4953
Title: openshot crashed with SIGABRT in __malloc_assert()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 __malloc_assert (assertion=assertion@entry=0x7f53b6274bb0 "victim->bk_nextsize->fd_nextsize == victim", file=file@entry=0x7f53b627068d "malloc.c", line=line@entry=3642, function=function@entry=0x7f53b627098b <__func__.11428> "_int_malloc") at malloc.c:288
 _int_malloc (av=av@entry=0x7f5364000020, bytes=bytes@entry=1136) at malloc.c:3642
 _int_memalign (av=av@entry=0x7f5364000020, alignment=alignment@entry=32, bytes=bytes@entry=1053) at malloc.c:4340
 __GI___libc_memalign (alignment=32, bytes=1053) at malloc.c:3033
 __posix_memalign (memptr=0x7f5377cf04d8, alignment=18446744073709551615, size=30366, size@entry=32) at malloc.c:4953