The following updates has been released for Ubuntu Linux:

USN-3922-3: PHP vulnerabilities
USN-3955-1: tcpflow vulnerabilities

USN-3922-3: PHP vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3922-3
April 25, 2019

php5 vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in PHP.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

USN-3922-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM.

It was discovered that PHP incorrectly handled certain files. An
attacker could possibly use this issue to access sensitive information.
(CVE-2019-9022)

It was discovered that PHP incorrectly handled certain files. An
attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-9675)

Original advisory details:

 It was discovered that PHP incorrectly handled certain inputs. An
 attacker could possibly use this issue to expose sensitive
 information. (CVE-2019-9637, CVE-2019-9638, CVE-2019-9639,
 CVE-2019-9640, CVE-2019-9641)

Update instructions:

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

Ubuntu 12.04 ESM:
  libapache2-mod-php5 5.3.10-1ubuntu3.34
  php5-cgi 5.3.10-1ubuntu3.34
  php5-cli 5.3.10-1ubuntu3.34
  php5-fpm 5.3.10-1ubuntu3.34
  php5-xmlrpc 5.3.10-1ubuntu3.34

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

References:
  https://usn.ubuntu.com/usn/usn-3922-3
  https://usn.ubuntu.com/usn/usn-3922-1
  CVE-2019-9022, CVE-2019-9637, CVE-2019-9638, CVE-2019-9639,
  CVE-2019-9640, CVE-2019-9641, CVE-2019-9675

USN-3955-1: tcpflow vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3955-1
April 24, 2019

tcpflow vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

tcpflow could be made to crash or expose sensitive information over the network
if it opened a specially crafted file or received specially crafted network
traffic.

Software Description:
- tcpflow: TCP flow recorder

Details:

It was discovered that tcpflow incorrectly handled certain malformed network
packets. A remote attacker could send these packets to a target system, causing
tcpflow to crash or possibly disclose sensitive information.

Update instructions:

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

Ubuntu 18.10:
tcpflow 1.4.5+repack1-4ubuntu0.18.10.1
tcpflow-nox 1.4.5+repack1-4ubuntu0.18.10.1

Ubuntu 18.04 LTS:
tcpflow 1.4.5+repack1-4ubuntu0.18.04.1
tcpflow-nox 1.4.5+repack1-4ubuntu0.18.04.1

Ubuntu 16.04 LTS:
tcpflow 1.4.5+repack1-1ubuntu0.1
tcpflow-nox 1.4.5+repack1-1ubuntu0.1

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

References:
https://usn.ubuntu.com/usn/usn-3955-1
CVE-2018-14938, CVE-2018-18409

Package Information:
https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-4ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-4ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/tcpflow/1.4.5+repack1-1ubuntu0.1