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Vulnerability of FFmpeg: memory corruption via h2645_parse

Synthesis of the vulnerability 

An attacker can trigger a memory corruption via h2645_parse() of FFmpeg, in order to trigger a denial of service, and possibly to run code.
Impacted products: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this bulletin: 2/4.
Creation date: 14/01/2020.
Références of this threat: CVE-2019-15942, openSUSE-SU-2020:0024-1, VIGILANCE-VUL-31311.

Description of the vulnerability 

An attacker can trigger a memory corruption via h2645_parse() of FFmpeg, in order to trigger a denial of service, and possibly to run code.
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This computer threat bulletin impacts software or systems such as openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this security threat 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 computer vulnerability alert.

Solutions for this threat 

openSUSE Leap, SUSE LE: new ffmpeg-4 packages.
New packages are available:
  openSUSE Leap 15.1: ffmpeg-4 4.2.1-lp151.2.3.1
  SUSE LE 12 RTM-SP5: ffmpeg-4 4.0.5-17.1
  SUSE LE 15 RTM: ffmpeg-4 4.2.1-bp150.24.1
  SUSE LE 15 SP1: ffmpeg-4 4.2.1-bp151.5.3.1
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