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Vulnerability of libgxps: out-of-bounds memory reading via ft_font_face_hash

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via ft_font_face_hash() of libgxps, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 2/4.
Creation date: 14/05/2018.
Références of this threat: CVE-2018-10733, FEDORA-2018-078b082cbe, FEDORA-2018-46f3f13c68, openSUSE-SU-2019:1120-1, RHSA-2018:3140-01, SUSE-SU-2019:0720-1, SUSE-SU-2020:1687-1, VIGILANCE-VUL-26121.

Description of the vulnerability 

An attacker can force a read at an invalid address via ft_font_face_hash() of libgxps, in order to trigger a denial of service, or to obtain sensitive information.
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This threat impacts software or systems such as Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat is medium.

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 bulletin.

Solutions for this threat 

Fedora 27: new libgxps packages.
New packages are available:
  Fedora 27: libgxps 0.3.0-4.fc27

Fedora 28: new libgxps packages.
New packages are available:
  Fedora 28: libgxps 0.3.0-4.fc28

openSUSE Leap 15.0: new libgxps packages.
New packages are available:
  openSUSE Leap 15.0: libgxps 0.3.0-lp150.3.3.2

RHEL 7: new gnome packages.
New packages are available, as indicated in information sources.

SUSE LE 12 SP4-5: new libgxps packages.
New packages are available:
  SUSE LE 12 SP4: libgxps 0.2.2-10.3.5
  SUSE LE 12 SP5: libgxps 0.2.2-10.3.5

SUSE LE 15: new libgxps packages.
New packages are available:
  SUSE LE 15 RTM: libgxps 0.3.0-4.3.29
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Computer vulnerabilities tracking service 

Vigil@nce provides system vulnerability alerts. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.