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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.0047
                       libvncserver security update
                              6 January 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           libvncserver
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-9942 CVE-2016-9941 

Original Bulletin: 
   http://www.debian.org/security/2017/dsa-3753

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running libvncserver check for an updated version of the software 
         for their operating system.

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Debian Security Advisory DSA-3753-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
January 05, 2017                      https://www.debian.org/security/faq
- - -------------------------------------------------------------------------

Package        : libvncserver
CVE ID         : CVE-2016-9941 CVE-2016-9942
Debian Bug     : 850007 850008

It was discovered that libvncserver, a collection of libraries used to
implement VNC/RFB clients and servers, incorrectly processed incoming
network packets. This resulted in several heap-based buffer overflows,
allowing a rogue server to either cause a DoS by crashing the client,
or potentially execute arbitrary code on the client side.

For the stable distribution (jessie), these problems have been fixed in
version 0.9.9+dfsg2-6.1+deb8u2.

For the testing (stretch) and unstable (sid) distributions, these
problems have been fixed in version 0.9.11+dfsg-1.

We recommend that you upgrade your libvncserver packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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===========================================================================
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===========================================================================
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