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Vulnerability of WebRTC.org: buffer overflow via Frame Marking Extension

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via Frame Marking Extension of WebRTC.org, in order to trigger a denial of service, and possibly to run code.
Impacted software: Debian, Fedora, Chrome, Edge Chromium, openSUSE Leap, Opera, RHEL, SUSE Linux Enterprise Desktop, SLES, WebRTC.org.
Severity of this computer vulnerability: 2/4.
Creation date: 26/06/2020.
Références of this announce: ADV200002, CVE-2020-6389, DSA-4638-1, FEDORA-2020-39e0b8bd14, FEDORA-2020-f6271d7afa, openSUSE-SU-2020:0189-1, openSUSE-SU-2020:0210-1, openSUSE-SU-2020:0233-1, PROJ-ZERO-1998, RHSA-2020:0514-01, VIGILANCE-VUL-32632.

Description of the vulnerability 

An attacker can trigger a buffer overflow via Frame Marking Extension of WebRTC.org, in order to trigger a denial of service, and possibly to run code.
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This weakness alert impacts software or systems such as Debian, Fedora, Chrome, Edge Chromium, openSUSE Leap, Opera, RHEL, SUSE Linux Enterprise Desktop, SLES, WebRTC.org.

Our Vigil@nce team determined that the severity of this computer vulnerability note 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 security bulletin.

Solutions for this threat 

WebRTC.org: patch for Frame Marking Extension.
A patch is indicated in information sources.

Debian 10: new chromium packages.
New packages are available:
  Debian 10: chromium 80.0.3987.132-1~deb10u1

Fedora 30: new chromium packages.
New packages are available:
  Fedora 30: chromium 80.0.3987.149-1.fc30

Fedora 31: new chromium packages.
New packages are available:
  Fedora 31: chromium 80.0.3987.132-1.fc31

Google Chrome: version 80.0.3987.87.
The version 80.0.3987.87 is fixed:
  https://www.google.fr/chrome/

Microsoft Edge Chromium: version 80.0.361.48.
The version 80.0.361.48 is fixed:
  https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200002

openSUSE Leap 15.1: new chromium packages.
New packages are available:
  openSUSE Leap 15.1: chromium 80.0.3987.87-lp151.2.63.1

Opera: version 67.3575.53.
The version 67.3575.53 is fixed:
  https://www.opera.com/download

RHEL 6.10: new chromium packages.
New packages are available:
  RHEL 6.10: chromium browser-80.0.3987.87-1.el6_10

SUSE LE 12: new chromium packages.
New packages are available:
  SUSE LE 12 RTM-SP5: chromium 80.0.3987.87-31.1

SUSE LE 15 SP1: new chromium packages.
New packages are available:
  SUSE LE 15 SP1: chromium 80.0.3987.87-bp151.3.59.1
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