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USN-4199-2: libvpx vulnerabilities

15 July 2020

Several security issues were fixed in libvpx.



  • libvpx - VP8 and VP9 video codec


USN-4199-1 fixed several vulnerabilities in libvpx. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

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 14.04

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

Related notices

  • USN-4199-1: vpx-tools, libvpx, libvpx-dev, libvpx3, libvpx5, libvpx-doc