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Vulnerability of libu2f-host: buffer overflow

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow of libu2f-host, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 11/02/2019.
Références of this bulletin: CVE-2018-20340, DSA-4389-1, openSUSE-SU-2019:0199-1, openSUSE-SU-2019:1475-1, openSUSE-SU-2021:0799-1, SUSE-SU-2019:1340-1, SUSE-SU-2019:1749-1, SUSE-SU-2021:1755-1, VIGILANCE-VUL-28476.

Description of the vulnerability 

An attacker can trigger a buffer overflow of libu2f-host, in order to trigger a denial of service, and possibly to run code.
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This computer vulnerability impacts software or systems such as Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this weakness bulletin 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 weakness.

Solutions for this threat 

Debian 9: new libu2f-host packages.
New packages are available:
  Debian 9: libu2f-host 1.1.2-2+deb9u1

openSUSE Leap 15.2: new libu2f-host packages.
New packages are available:
  openSUSE Leap 15.2: libu2f-host 1.1.10-lp152.4.3.1

openSUSE Leap 42.3: new libu2f-host packages.
New packages are available:
  openSUSE Leap 42.3: libu2f-host 1.0.0-5.3.1

openSUSE Leap: new libu2f-host packages.
New packages are available:
  openSUSE Leap 15.0: libu2f-host 1.1.6-lp150.7.1
  openSUSE Leap 15.1: libu2f-host 1.1.6-lp151.2.3.1

SUSE LE 12 SP4: new libu2f-host packages.
New packages are available:
  SUSE LE 12 SP4: libu2f-host 1.1.6-3.5.1

SUSE LE 15: new libu2f-host0 packages.
New packages are available:
  SUSE LE 15 RTM: libu2f-host0 1.1.6-3.3.3

SUSE LE 15 SP2-3: new libu2f-host packages.
New packages are available:
  SUSE LE 15 SP2: libu2f-host 1.1.10-3.9.1
  SUSE LE 15 SP3: libu2f-host 1.1.10-3.9.1
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