The following updates has been released for Ubuntu Linux:

USN-3953-2: PHP vulnerabilities
USN-3963-1: Memcached vulnerability

USN-3953-2: PHP vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3953-2
May 01, 2019

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

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in PHP.

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

Details:

USN-3953-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that PHP incorrectly handled certain exif tags in
JPEG images. A remote attacker could use this issue to cause PHP 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 14.04 ESM:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm1
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm1
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm1
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm1

Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.35
php5-cgi 5.3.10-1ubuntu3.35
php5-cli 5.3.10-1ubuntu3.35
php5-fpm 5.3.10-1ubuntu3.35

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

References:
https://usn.ubuntu.com/usn/usn-3953-2
https://usn.ubuntu.com/usn/usn-3953-1
CVE-2019-11034, CVE-2019-11035

USN-3963-1: Memcached vulnerability

==========================================================================
Ubuntu Security Notice USN-3963-1
May 01, 2019

memcached vulnerability
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS

Summary:

Memcached could be made to crash if it received specially crafted network
traffic.

Software Description:
- memcached: high-performance memory object caching system

Details:

It was discovered that Memcached incorrectly handled certain lru command
messages. A remote attacker could possibly use this issue to cause
Memcached 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 19.04:
memcached 1.5.10-0ubuntu1.19.04.1

Ubuntu 18.10:
memcached 1.5.10-0ubuntu1.18.10.1

Ubuntu 18.04 LTS:
memcached 1.5.6-0ubuntu1.1

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

References:
https://usn.ubuntu.com/usn/usn-3963-1
CVE-2019-11596

Package Information:
https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.19.04.1
https://launchpad.net/ubuntu/+source/memcached/1.5.10-0ubuntu1.18.10.1
https://launchpad.net/ubuntu/+source/memcached/1.5.6-0ubuntu1.1