PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability - CVE-2016-4539 - Vulnerability Database

PHP

PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability - CVE-2016-4539

Critical

Reference: CVE-2016-4539

NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2016-4539

Title: PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability

Overview:

The xml_parse_into_struct function in ext/xml/xml.c in PHP before 5.5.35 5.6.x before 5.6.21 and 7.x before 7.0.6 allows remote attackers to cause a denial of service (buffer under-read and segmentation fault) or possibly have unspecified other impact via crafted XML data in the second argument leading to a parser level of zero.