CVE-2017-9119

La función i_zval_ptr_dtor en el archivo Zend/zend_variables.h en PHP versión 7.1.5 permite a los atacantes causar una denegación de servicio (consumo de memoria y bloqueo de aplicación) o posiblemente tener otro impacto sin especificar al desencadenar operaciones creadas en la estructuras de datos de matriz.

USN-5300-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly obtain sensitive information. It was discovered that PHP incorrectly handled certain scripts with XML parsing functions. An attacker could possibly use this issue to obtain sensitive information.