Several security issues were fixed in PHP.
Francisco Alonso discovered that the PHP Fileinfo component incorrectly handled certain CDF documents. A remote attacker could use this issue to cause PHP to hang or crash, resulting in a denial of service. (CVE-2014-0207, CVE-2014-3478, CVE-2014-3479, CVE-2014-3480, CVE-2014-3487)
9 July 2014
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in PHP.
Francisco Alonso discovered that the PHP Fileinfo component incorrectly handled certain CDF documents. A remote attacker could use this issue to cause PHP to hang or crash, resulting in a denial of service. (CVE-2014-0207, CVE-2014-3478, CVE-2014-3479, CVE-2014-3480, CVE-2014-3487)
Stefan Esser discovered that PHP incorrectly handled unserializing SPL extension objects. An attacker could use this issue to execute arbitrary code. (CVE-2014-3515)
It was discovered that PHP incorrectly handled certain SPL Iterators. An attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2014-4670)
It was discovered that PHP incorrectly handled certain ArrayIterators. An attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2014-4698)
Stefan Esser discovered that PHP incorrectly handled variable types when calling phpinfo(). An attacker could use this issue to possibly gain access to arbitrary memory, possibly containing sensitive information. (CVE-2014-4721)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.