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Ubuntu Security Notice USN-4009-2
June 05, 2019

php5 vulnerabilities
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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-4009-1 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 decoding certain MIME headers.
 A remote attacker could possibly use this issue to cause PHP to crash,
 resulting in a denial of service. (CVE-2019-11039)

 It was discovered that PHP incorrectly handled certain exif tags in
 images. A remote attacker could use this issue to cause PHP to crash,
 resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2019-11040)

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+esm3
  php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm3
  php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm3
  php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm3

Ubuntu 12.04 ESM:
  libapache2-mod-php5             5.3.10-1ubuntu3.37
  php5-cgi                        5.3.10-1ubuntu3.37
  php5-cli                        5.3.10-1ubuntu3.37
  php5-fpm                        5.3.10-1ubuntu3.37

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

References:
  https://usn.ubuntu.com/4009-2
  https://usn.ubuntu.com/4009-1
  CVE-2019-11039, CVE-2019-11040