[Bug 1796563] [NEW] 8:6.8.9.9-7ubuntu5.13 breaks convert with no explanation

[Steve Dodd]

Public bug reported:

8:6.8.9.9-7ubuntu5.13 breaks the convert command as used by my home-brew
document management system:

$ convert -density 200 -quality 40 null: 10-07-dvla.pdf 10-07-dvla.jpg
convert: not authorized `10-07-dvla.pdf' @ error/constitute.c/ReadImage/412.

I appreciate that this is likely a security fix for something, but I can
find no useful information in the changelog.Debian or NEWS files on what
has changed, and what I should do to restore previous functionality.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: imagemagick 8:6.8.9.9-7ubuntu5.13
ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
NonfreeKernelModules: qnx4 hfsplus hfs minix ntfs jfs i915 snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic dcdbas snd_hda_intel snd_hda_codec snd_hda_core intel_cstate dell_wmi intel_rapl_perf dell_smbios_wmi dell_smbios wmi_bmof sparse_keymap dell_wmi_descriptor cp210x usbserial mei_me mei shpchp intel_pch_thermal mac_hid vhci_hcd usbip_core r8169 wmi
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun Oct  7 14:35:08 2018
InstallationDate: Installed on 2017-01-08 (637 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: imagemagick
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: imagemagick (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug third-party-packages xenial

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https://bugs.launchpad.net/bugs/1796563

Title:
  8:6.8.9.9-7ubuntu5.13 breaks convert with no explanation

Status in imagemagick package in Ubuntu:
  New

Bug description:
  8:6.8.9.9-7ubuntu5.13 breaks the convert command as used by my home-
  brew document management system:

  $ convert -density 200 -quality 40 null: 10-07-dvla.pdf 10-07-dvla.jpg
  convert: not authorized `10-07-dvla.pdf' @ error/constitute.c/ReadImage/412.

  I appreciate that this is likely a security fix for something, but I
  can find no useful information in the changelog.Debian or NEWS files
  on what has changed, and what I should do to restore previous
  functionality.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: imagemagick 8:6.8.9.9-7ubuntu5.13
  ProcVersionSignature: Ubuntu 4.15.0-33.36-generic 4.15.18
  Uname: Linux 4.15.0-33-generic x86_64
  NonfreeKernelModules: qnx4 hfsplus hfs minix ntfs jfs i915 snd_hda_codec_hdmi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek snd_hda_codec_generic dcdbas snd_hda_intel snd_hda_codec snd_hda_core intel_cstate dell_wmi intel_rapl_perf dell_smbios_wmi dell_smbios wmi_bmof sparse_keymap dell_wmi_descriptor cp210x usbserial mei_me mei shpchp intel_pch_thermal mac_hid vhci_hcd usbip_core r8169 wmi
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Oct  7 14:35:08 2018
  InstallationDate: Installed on 2017-01-08 (637 days ago)
  InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  SourcePackage: imagemagick
  UpgradeStatus: No upgrade log present (probably fresh install)

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