1. Ubuntu Security Notices
  2. USN-4073-1

USN-4073-1: libEBML vulnerability

Publication date

25 July 2019

Overview

libEBML could be made to crash if it opened a specially crafted file.

Releases

Packages

  • libebml - library for the EBML format

Details

It was discovered that libEBML incorrectly handled certain media files. If
a user were tricked into opening a specially crafted media file, libEBML
could possibly be made to crash, resulting in a denial of service.

It was discovered that libEBML incorrectly handled certain media files. If
a user were tricked into opening a specially crafted media file, libEBML
could possibly be made to crash, resulting in a denial of service.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libebml4v5 –  1.3.5-2ubuntu0.1
16.04 xenial libebml4v5 –  1.3.3-1ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›