[USN-3086-1] Irssi vulnerabilities

[Steve Beattie]

==========================================================================
Ubuntu Security Notice USN-3086-1
September 21, 2016

irssi vulnerabilities
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

Irssi could be made to crash if it received specially crafted network
traffic.

Software Description:
- irssi: terminal based IRC client

Details:

Gabriel Campana and Adrien Guinet discovered that the format parsing code
in Irssi did not properly verify 24bit color codes. A remote attacker could
use this to cause a denial of service (application crash). (CVE-2016-7044)

Gabriel Campana and Adrien Guinet discovered that a buffer overflow existed
in the format parsing code in Irssi. A remote attacker could use this to
cause a denial of service (application crash). (CVE-2016-7045)

Update instructions:

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

Ubuntu 16.04 LTS:
  irssi                           0.8.19-1ubuntu1.2

After a standard system update you need to restart Irssi to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-3086-1
  CVE-2016-7044, CVE-2016-7045

Package Information:
  https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.2

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