CVE-2016-10161

La función object_common1 en ext/standard/var_unserializer.c en PHP en versiones anteriores a 5.6.30, 7.0.x en versiones anteriores a 7.0.15 y 7.1.x en versiones anteriores a 7.1.1 permite a atacantes remotos provocar una denegación de servicio (sobre lectura de búfer y caída de aplicación) a través de datos serializados manipulados que se maneja mal en una llamada finish_nested_data.

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15 upstream release. PHP 7.0.15 introduced a regression when using MySQL with large blobs. This update fixes the problem with a backported fix. It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that PHP incorrectly handled unserializing certain wddxPacket XML documents. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.