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[Michael Mess <1437649@xxxxxxxxxxxxxxxxxx>]

Yes, I just was able to reproduce.

I will try to add some more information...

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https://bugs.launchpad.net/bugs/1437649

Title:
  XServer crashes when visiting web page containing PDF with Firefox

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  When opening the following link with Firefox, the X Server crashes:

  http://www.rauchmoebel.de/fileadmin/user_upload/Prospekte_PDF/Select/Prospekt_IMPULS_D_Webseite.pdf

  As such a bug might be used for evil purposes like buffer overrun to
  execute arbitrary code, etc. this might be security relevant.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8.1
  ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
  Uname: Linux 3.13.0-48-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: XFCE
  Date: Sat Mar 28 16:35:21 2015
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8280] [1002:9836] (prog-if 00 [VGA controller])
     Subsystem: ASRock Incorporation Device [1849:9836]
  InstallationDate: Installed on 2014-02-25 (395 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-48-generic root=UUID=5e706392-b33a-488d-bd51-fc1d86c7ed43 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.10
  dmi.board.name: AM1B-ITX
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.10:bd02/21/2014:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnAM1B-ITX:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  version.compiz: compiz 1:0.9.11.3+14.04.20150122-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1~ubuntu2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.4
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Sat Mar 28 16:31:08 2015
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint KEYBOARD, id 8
   input        Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint KEYBOARD, id 9
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs: Output                                  HDMI-0          HDMI-1           VGA-0
  xserver.version: 2:1.15.1-0ubuntu2.7
  xserver.video_driver: radeon

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