[USN-3862-1] Irssi vulnerability

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Ubuntu Security Notice USN-3862-1
January 17, 2019

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

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

Irssi could be made to crash or execute arbitrary code if it
received a specially crafted input.

Software Description:
– irssi: terminal based IRC client

Details:

It was discovered that Irssi incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service
or to execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
=C2=A0 irssi=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A01.1.1-1ubuntu1.1

Ubuntu 18.04 LTS:
=C2=A0 irssi=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A01.0.5-1ubuntu4.1

Ubuntu 16.04 LTS:
=C2=A0 irssi=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A00.8.19-1ubuntu1.8

Ubuntu 14.04 LTS:
=C2=A0 irssi=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A00.8.15-5ubuntu3.6

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3862-1
=C2=A0 CVE-2019-5882

Package Information:
=C2=A0 https://launchpad.net/ubuntu/+source/irssi/1.1.1-1ubuntu1.1
=C2=A0 https://launchpad.net/ubuntu/+source/irssi/1.0.5-1ubuntu4.1
=C2=A0 https://launchpad.net/ubuntu/+source/irssi/0.8.19-1ubuntu1.8
=C2=A0 https://launchpad.net/ubuntu/+source/irssi/0.8.15-5ubuntu3.6
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