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Vulnerability of ImageMagick: NULL pointer dereference via DrawGetStrokeDashArray

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via DrawGetStrokeDashArray() of ImageMagick, in order to trigger a denial of service.
Vulnerable systems: Debian, Fedora, openSUSE Leap, Ubuntu.
Severity of this threat: 1/4.
Creation date: 11/10/2017.
Références of this weakness: CVE-2017-14505, DLA-1131-1, DLA-1785-1, DLA-2366-1, FEDORA-2017-357fa6205d, openSUSE-SU-2018:0733-1, openSUSE-SU-2018:0893-1, USN-3681-1, VIGILANCE-VUL-24080.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via DrawGetStrokeDashArray() of ImageMagick, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as Debian, Fedora, openSUSE Leap, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness announce is low.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this cybersecurity vulnerability.

Solutions for this threat 

Debian 7: new imagemagick packages.
New packages are available:
  Debian 7: imagemagick 8:6.7.7.10-5+deb7u17

Debian 8: new imagemagick packages (14/05/2019).
New packages are available:
  Debian 8: imagemagick 8:6.8.9.9-5+deb8u16

Debian 9: new imagemagick packages (08/09/2020).
New packages are available:
  Debian 9: imagemagick 8:6.9.7.4+dfsg-11+deb9u10

Fedora 26: new ImageMagick packages.
New packages are available:
  Fedora 26: ImageMagick 6.9.9.22-1.fc26

openSUSE Leap 42.3: new GraphicsMagick packages.
New packages are available:
  openSUSE Leap 42.3: GraphicsMagick 1.3.25-79.1

openSUSE Leap 42.3: new ImageMagick packages (09/04/2018).
New packages are available:
  openSUSE Leap 42.3: ImageMagick 6.8.8.1-58.1

Ubuntu: new imagemagick packages.
New packages are available:
  Ubuntu 18.04 LTS: imagemagick 8:6.9.7.4+dfsg-16ubuntu6.2
  Ubuntu 17.10: imagemagick 8:6.9.7.4+dfsg-16ubuntu2.2
  Ubuntu 16.04 LTS: imagemagick 8:6.8.9.9-7ubuntu5.11
  Ubuntu 14.04 LTS: imagemagick 8:6.7.7.10-6ubuntu3.11
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