==========================================================================
Ubuntu Security Notice USN-3950-1
April 18, 2019

znc vulnerability
==========================================================================

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

– Ubuntu 18.10

Summary:

ZNC could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
– znc: advanced modular IRC bouncer

Details:

It was discovered that ZNC incorrectly handled certain invalid encodings.
An authenticated remote user could use this issue to cause ZNC to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 18.10:
znc 1.7.1-2ubuntu0.1

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

References:
https://usn.ubuntu.com/usn/usn-3950-1
CVE-2019-9917

Package Information:
https://launchpad.net/ubuntu/+source/znc/1.7.1-2ubuntu0.1
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