USN-4199-1: libvpx vulnerabilities

25 November 2019

libvpx vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS


Several security issues were fixed in libvpx.

Software Description

  • libvpx - VP8 and VP9 video codec


It was discovered that libvpx did not properly handle certain malformed WebM media files. If an application using libvpx opened a specially crafted WebM file, a remote attacker could cause a denial of service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04
libvpx5 - 1.7.0-3ubuntu0.19.04.1
Ubuntu 18.04 LTS
libvpx5 - 1.7.0-3ubuntu0.18.04.1
Ubuntu 16.04 LTS
libvpx3 - 1.5.0-2ubuntu1.1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.