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Vulnerability of Qt: infinite loop via QTgaFile

Synthesis of the vulnerability 

An attacker can trigger an infinite loop via QTgaFile of Qt, in order to trigger a denial of service.
Impacted systems: Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 2/4.
Creation date: 30/01/2019.
Références of this alert: CVE-2018-19871, DLA-1786-1, DLA-2377-1, FEDORA-2019-3c45bd2cc3, openSUSE-SU-2019:1115-1, RHSA-2019:2135-01, RHSA-2020:1172-01, RHSA-2020:1665-01, SUSE-SU-2019:0705-1, SUSE-SU-2020:2923-1, VIGILANCE-VUL-28397.

Description of the vulnerability 

An attacker can trigger an infinite loop via QTgaFile of Qt, in order to trigger a denial of service.
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This vulnerability note impacts software or systems such as Debian, Fedora, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 computer threat note.

Solutions for this threat 

Debian 8: new qt4-x11 packages.
New packages are available:
  Debian 8: qt4-x11 4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u2

Debian 9: new qt4-x11 packages.
New packages are available:
  Debian 9: qt4-x11 4:4.8.7+dfsg-11+deb9u1

Fedora 29: new mingw-qt5 packages.
New packages are available, as indicated in information sources.

openSUSE Leap 15.0: new libqt5-qtimageformats packages.
New packages are available:
  openSUSE Leap 15.0: libqt5-qtimageformats 5.9.4-lp150.2.3.2

RHEL 7: new qt5 packages.
New packages are available:
  RHEL 7: qt5 5.9.7-2.el7

RHEL 7: new qt packages.
New packages are available:
  RHEL 7.0-7.7: qt 4.8.7-8.el7

RHEL 8: new qt5 packages.
New packages are available, as indicated in information sources.

SUSE LE 12 SP5: new libqt5-qtimageformats packages.
New packages are available:
  SUSE LE 12 SP5: libqt5-qtimageformats 5.6.2-3.3.110

SUSE LE 15: new libqt5-qtimageformats packages.
New packages are available:
  SUSE LE 15 RTM: libqt5-qtimageformats 5.9.4-3.3.17
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