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Vulnerability of Chrome: use after free via Media Cache

Synthesis of the vulnerability

An attacker can force the usage of a freed memory area via Media Cache of Chrome, in order to trigger a denial of service, and possibly to run code.
Severity of this threat: 3/4.
Creation date: 02/05/2018.
Références of this weakness: CERTFR-2018-AVI-209, CVE-2018-6118, DSA-4237-1, openSUSE-SU-2018:1104-1, openSUSE-SU-2018:1175-1, openSUSE-SU-2018:1437-1, RHSA-2018:1321-01, VIGILANCE-VUL-26012.

Description of the vulnerability

An attacker can force the usage of a freed memory area via Media Cache of Chrome, 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, Chrome, openSUSE Leap, Opera, RHEL, SUSE Linux Enterprise Desktop, SLES.

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

Solutions for this threat

Chrome: version 66.0.3359.139.
The version 66.0.3359.139 is fixed:
  https://www.google.fr/chrome/

Debian 9: new chromium-browser packages.
New packages are available:
  Debian 9: chromium-browser 67.0.3396.87-1~deb9u1

openSUSE Leap 42.3: new chromium packages.
New packages are available:
  openSUSE Leap 42.3: chromium 66.0.3359.139-155.1

Opera: version 53.
The version 53 is fixed:
  https://www.opera.com/

RHEL 6.9: new chromium-browser packages.
New packages are available:
  RHEL 6: chromium-browser 66.0.3359.139-1.el6_9

SUSE LE 12: new chromium packages (09/05/2018).
New packages are available:
  SUSE LE 12 RTM-SP3: chromium 66.0.3359.139-2.1

SUSE LE 12: new chromium packages (28/05/2018).
New packages are available:
  SUSE LE 12 RTM-SP3: chromium 66.0.3359.181-55.1
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