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Ubuntu Security Notice USN-4074-1
July 25, 2019

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in VLC.

Software Description:
- vlc: multimedia player and streamer

Details:

It was discovered that the VLC CAF demuxer incorrectly handled certain
files. If a user were tricked into opening a specially-crafted CAF file, a
remote attacker could use this issue to cause VLC to crash, resulting in a
denial of service. This issue only affected Ubuntu 18.04 LTS.
(CVE-2018-19857)

It was discovered that the VLC Matroska demuxer incorrectly handled certain
files. If a user were tricked into opening a specially-crafted MKV file, a
remote attacker could use this issue to cause VLC to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-12874)

It was discovered that the VLC MP4 demuxer incorrectly handled certain
files. If a user were tricked into opening a specially-crafted MP4 file, a
remote attacker could use this issue to cause VLC to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-13602)

It was discovered that the VLC AVI demuxer incorrectly handled certain
files. If a user were tricked into opening a specially-crafted AVI file, a
remote attacker could use this issue to cause VLC to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-5439)

Update instructions:

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

Ubuntu 19.04:
  vlc                             3.0.7.1-0ubuntu19.04.1

Ubuntu 18.04 LTS:
  vlc                             3.0.7.1-0ubuntu18.04.1

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

References:
  https://usn.ubuntu.com/4074-1
  CVE-2018-19857, CVE-2019-12874, CVE-2019-13602, CVE-2019-5439

Package Information:
  https://launchpad.net/ubuntu/+source/vlc/3.0.7.1-0ubuntu19.04.1
  https://launchpad.net/ubuntu/+source/vlc/3.0.7.1-0ubuntu18.04.1