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Vulnerability of WebRTC.org: use after free via VP9

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via VP9 of WebRTC.org, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Chrome, Opera, SLES, WebRTC.org.
Severity of this threat: 3/4.
Creation date: 21/09/2018.
Références of this weakness: 1601, CVE-2018-16071, openSUSE-SU-2018:2664-2, VIGILANCE-VUL-27290.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via VP9 of WebRTC.org, in order to trigger a denial of service, and possibly to run code.
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This threat announce impacts software or systems such as Chrome, Opera, SLES, WebRTC.org.

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

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this security alert.

Solutions for this threat 

Google Chrome: version 69.0.3497.81.
The version 69.0.3497.81 is fixed:
  https://www.google.fr/chrome/

SUSE LE 15: new chromium packages.
New packages are available:
  SUSE LE 15 RTM: chromium 69.0.3497.81-bp150.2.4.1
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