medium
5
CWE
189
Advisory Published
CVE Published
Updated

CVE-2009-4418

First published: Thu Dec 24 2009(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP=5.2.9
PHP=5.2.4
PHP=5.1.5
PHP=5.1.2
PHP=5.1.1
PHP=5.0.0-beta1
PHP=5.1.6
PHP=5.0-rc1
PHP=5.2.7
PHP=5.2.2
PHP=5.0.5
PHP=5.0.1
PHP=5.1.4
PHP=5.2.5
PHP=5.0.4
PHP=5.0-rc3
PHP=5.2.11
PHP=5.2.6
PHP=5.0.0-rc2
PHP=5.2.3
PHP=5.0.3
PHP=5.1.0
PHP=5.0.0-rc3
PHP=5.2.0
PHP=5.0-rc2
PHP=5.2.4
PHP=5.0.0-beta3
PHP=5.1.3
PHP=5.2.10
PHP=5.0.0-rc1
PHP=5.0.2
PHP=5.2.1
PHP=5.0.0-beta4
PHP=5
PHP=5.0.0
PHP=5.0.0-beta2
PHP=5.2.8
PHP<=5.3.0

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