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Vulnerability of LibreOffice: code execution via Macro URL Decoding

Synthesis of the vulnerability 

An attacker can use a vulnerability via Macro URL Decoding of LibreOffice, in order to run code.
Impacted systems: OpenOffice, Debian, LibreOffice, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this alert: 3/4.
Creation date: 30/09/2019.
Références of this alert: CERTFR-2019-AVI-471, CERTFR-2019-AVI-520, CVE-2019-9853, DLA-1947-1, openSUSE-SU-2019:2709-1, RHSA-2020:1151-01, RHSA-2020:1598-01, SUSE-SU-2019:3313-1, SUSE-SU-2020:0121-1, SUSE-SU-2020:0372-1, VIGILANCE-VUL-30473.

Description of the vulnerability 

An attacker can use a vulnerability via Macro URL Decoding of LibreOffice, in order to run code.
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This computer threat note impacts software or systems such as OpenOffice, Debian, LibreOffice, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this weakness alert is important.

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 weakness note.

Solutions for this threat 

LibreOffice: version 6.3.1.
The version 6.3.1 is fixed:
  https://www.libreoffice.org/download/download/

LibreOffice: version 6.2.6.
The version 6.2.6 is fixed:
  https://www.libreoffice.org/download/download/
See also VIGILANCE-SOL-67631.

Apache OpenOffice: version 4.1.7.
The version 4.1.7 is fixed:
  http://www.openoffice.org/

Debian 8: new libreoffice packages.
New packages are available:
  Debian 8: libreoffice 1:4.3.3-2+deb8u13

openSUSE Leap 15.1: new LibreOffice packages.
New packages are available:
  openSUSE Leap 15.1: LibreOffice 6.3.3.2-lp151.3.9.1

RHEL 7: new libreoffice packages.
New packages are available:
  RHEL 7.0-7.7: libreoffice 5.3.6.1-24.el7

RHEL 8: new libreoffice packages.
New packages are available:
  RHEL 8.0-8.1: libreoffice 6.0.6.1-20.el8

SUSE LE 12 SP4/5: new libreoffice packages.
New packages are available:
  SUSE LE 12 SP4: libreoffice 6.3.3.2-43.59.5
  SUSE LE 12 SP5: libreoffice 6.3.3.2-43.59.5

SUSE LE 15: new libreoffice packages.
New packages are available:
  SUSE LE 15 RTM: libreoffice 6.3.3.2-3.27.1
  SUSE LE 15 SP1: libreoffice 6.3.3.2-3.27.1

SUSE LE 15 SP1: new libreoffice packages.
New packages are available:
  SUSE LE 15 SP1: libreoffice 6.3.3.2-8.13.1
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