CVE-2009-4418

2022-10-0316:24:04

mitre

www.cve.org

php

unserialize

denial of service

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.8%

JSON

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.