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{"bugzilla": {"description": "php: DoS via unserialize", "id": "550387", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=550387"}, "csaw": false, "details": ["The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences."], "name": "CVE-2009-4418", "public_date": "2009-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-4418\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-4418"], "statement": "Red Hat does not consider this to be a security flaw. For further details, see https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-4418", "threat_severity": "Low"}