CVE Daily

CVE-2009-4418

The unserialize function in PHP 5.3.0 and earlier allows context-dependent attac...

Medium CVSS 5.0

Overview

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.

CWE: CWE-189 Published: 2009-12-24T17:30:00.233
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.0 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

Recommended tools

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