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Vulnerability of VideoLAN VLC: use after free via MP4

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via MP4 of VideoLAN VLC, in order to trigger a denial of service, and possibly to run code.
Vulnerable products: Debian, VLC.
Severity of this weakness: 2/4.
Creation date: 15/12/2017.
Références of this bulletin: CVE-2017-17670, DSA-4203-1, VIGILANCE-VUL-24780.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via MP4 of VideoLAN VLC, 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, VLC.

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 

VideoLAN VLC: solution for MP4.
Version posterior to 14th of December 2017 is fixed:
  https://www.videolan.org/developers/

Debian 9: new vlc packages.
New packages are available:
  Debian 9: vlc 3.0.2-0+deb9u1
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