Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

Affected: Ubuntu:14.04:LTS: php5

It was discovered that the PHP phar extension incorrectly handled certain files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-5589)

It was discovered that the PHP phar extension incorrectly handled certain filepaths. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-5590)

Taoguang Chen discovered that PHP incorrectly handled unserializing objects. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6831, CVE-2015-6834, CVE-2015-6835

Sean Heelan discovered that PHP incorrectly handled unserializing objects. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6832)

It was discovered that the PHP phar extension incorrectly handled certain archives. A remote attacker could use this issue to cause files to be placed outside of the destination directory. (CVE-2015-6833)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated data types. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2015-6836)

It was discovered that the PHP XSLTProcessor class incorrectly handled certain data. A remote attacker could use this issue to cause PHP to crash, resul…