Firefox cause freez of OS when Loading specific URL

[Clon]

When i try to load https://openclipart.org/detail/28407/fleur-de-lis OS is freez.
Keyboard is unresponsive (NumLock LED don't change state (shine) if pres NumLock key).
Mouse is working/moving when click nothing happens.

I have to hard reboot. Any crash report is show after reboot.
I repeated it three times, each time with the same result.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: firefox 43.0.4+build3-0ubuntu0.15.10.1
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic i686
AddonCompatCheckDisabled: False
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: clon 1605 F.... pulseaudio
BuildID: 20160106234641
Channel: Unavailable
CurrentDesktop: LXDE
Date: Fri Jan 22 19:19:50 2016
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2013-03-16 (1042 days ago)
InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.1)
IpRoute:
 default via 10.0.0.138 dev eth0 proto static metric 100
 10.0.0.0/24 dev eth0 proto kernel scope link src 10.0.0.140 metric 100
IwConfig:
 lo no wireless extensions.

 eth0 no wireless extensions.
Locales: extensions.sqlite corrupt or missing
MostRecentCrashID: bp-e76dbe95-da56-4730-8baf-bddab2160111
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=43.0.4/20160106234641 (In use)
RelatedPackageVersions:
 gecko-mediaplayer 1.0.9-2ubuntu1
 icedtea-7-plugin 1.5.3-0ubuntu0.15.10.1
RfKill:

RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/17/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.30
dmi.board.name: P4i65GV
dmi.board.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.30:bd07/17/2008:svn:pnP4i65GV:pvr1.00:rvn:rnP4i65GV:rvr1.0:
dmi.product.name: P4i65GV
dmi.product.version: 1.00

[Paul White (paulw2u)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version.

When you test it and it is still an issue, kindly upload the updated logs by running only once:

apport-collect 1537167

and any other logs that are relevant for this particular issue.

[Launchpad Janitor (janitor)]

[Expired for firefox (Ubuntu) because there has been no activity for 60 days.]