The following two updates has been released for Ubuntu Linux 12.04 ESM:

USN-3789-2: ClamAV vulnerabilities
USN-3794-1: MoinMoin vulnerability

USN-3789-2: ClamAV vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3789-2
October 16, 2018

clamav vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

ClamAV could be made to crash if it opened a specially crafted file.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

USN-3789-1 fixed a vulnerability in ClamAV. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that ClamAV incorrectly handled unpacking MEW
 executables. A remote attacker could possibly use this issue to cause
 ClamAV to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
  clamav 0.100.2+dfsg-1ubuntu0.12.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3789-2
  https://usn.ubuntu.com/usn/usn-3789-1
  CVE-2018-14679, CVE-2018-14680, CVE-2018-14681, CVE-2018-14682,
  CVE-2018-15378

USN-3794-1: MoinMoin vulnerability

==========================================================================
Ubuntu Security Notice USN-3794-1
October 16, 2018

moin vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

MoinMoin could be made to expose sensitive information if it
received a specially crafted input.

Software Description:
- moin: Collaborative hypertext environment

Details:

It was discovered that MoinMoin incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive
information.

Update instructions:

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

Ubuntu 18.04 LTS:
  python-moinmoin 1.9.9-1ubuntu1.1

Ubuntu 16.04 LTS:
  python-moinmoin 1.9.8-1ubuntu1.16.04.2

Ubuntu 14.04 LTS:
  python-moinmoin 1.9.7-1ubuntu2.2

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

References:
  https://usn.ubuntu.com/usn/usn-3794-1
  CVE-2017-5934

Package Information:
  https://launchpad.net/ubuntu/+source/moin/1.9.9-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/moin/1.9.8-1ubuntu1.16.04.2
  https://launchpad.net/ubuntu/+source/moin/1.9.7-1ubuntu2.2