USN-4519-1: PulseAudio vulnerability

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Ubuntu Security Notice USN-4519-1
September 17, 2020

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

- Ubuntu 16.04 LTS

Summary:

PulseAudio could be made to crash or run programs as your login if it
received specially crafted input.

Software Description:
- pulseaudio: PulseAudio sound server

Details:

Ratchanan Srirattanamet discovered that an Ubuntu-specific patch caused
PulseAudio to incorrectly handle memory under certain error conditions in the
Bluez 5 module. An attacker could use this issue to cause PulseAudio to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-15710)

Update instructions:

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

Ubuntu 16.04 LTS:
libpulse-mainloop-glib0 1:8.0-0ubuntu3.14
libpulse0 1:8.0-0ubuntu3.14
pulseaudio 1:8.0-0ubuntu3.14
pulseaudio-module-bluetooth 1:8.0-0ubuntu3.14
pulseaudio-utils 1:8.0-0ubuntu3.14

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

References:
  https://usn.ubuntu.com/4519-1
CVE-2020-15710

Package Information:
  https://launchpad.net/ubuntu/+source/pulseaudio/1:8.0-0ubuntu3.14


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