==========================================================================
Ubuntu Security Notice USN-3317-1
June 12, 2017

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

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

– Ubuntu 17.04
– Ubuntu 16.10
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

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

Software Description:
– irssi: terminal based IRC client

Details:

It was discovered that Irssi incorrectly handled certain DCC messages. A
malicious IRC server could use this issue to cause Irssi to crash,
resulting in a denial of service. (CVE-2017-9468)

Joseph Bisch discovered that Irssi incorrectly handled receiving
incorrectly quoted DCC files. A remote attacker could possibly use this
issue to cause Irssi to crash, resulting in a denial of service.
(CVE-2017-9469)

Update instructions:

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

Ubuntu 17.04:
irssi 0.8.20-2ubuntu2.1

Ubuntu 16.10:
irssi 0.8.19-1ubuntu2.2

Ubuntu 16.04 LTS:
irssi 0.8.19-1ubuntu1.4

Ubuntu 14.04 LTS:
irssi 0.8.15-5ubuntu3.2

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

References:
https://www.ubuntu.com/usn/usn-3317-1
CVE-2017-9468, CVE-2017-9469

Package Information:
https://launchpad.net/ubuntu/+source/irssi/0.8.20-2ubuntu2.1
https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu2.2
https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.4
https://launchpad.net/ubuntu/+source/irssi/0.8.15-5ubuntu3.2

—–BEGIN PGP SIGNATURE—–
Version: GnuPG v2
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=bMHw
—–END PGP SIGNATURE—–
—