==========================================================================
Ubuntu Security Notice USN-3431-1
October 02, 2017

nss vulnerability
==========================================================================

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

– Ubuntu 17.04
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

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

Software Description:
– nss: Network Security Service library

Details:

Martin Thomson discovered that NSS incorrectly generated handshake hashes.
A remote attacker could use this issue to cause NSS 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 17.04:
libnss3 2:3.28.4-0ubuntu0.17.04.3

Ubuntu 16.04 LTS:
libnss3 2:3.28.4-0ubuntu0.16.04.3

Ubuntu 14.04 LTS:
libnss3 2:3.28.4-0ubuntu0.14.04.3

After a standard system update you need to restart any applications
that use NSS, such as Evolution and Chromium, to make all the necessary
changes.

References:
https://www.ubuntu.com/usn/usn-3431-1
CVE-2017-7805

Package Information:
https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.17.04.3
https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.16.04.3
https://launchpad.net/ubuntu/+source/nss/2:3.28.4-0ubuntu0.14.04.3

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