{
  "modified": "2025-08-09T19:01:27Z",
  "published": "2009-10-23T18:30:00Z",
  "id": "CVE-2009-3622",
  "details": "Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated \"UTF-8\" substrings, related to the mb_convert_encoding function in PHP.",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://marc.info/?l=oss-security\u0026m=125612393329041\u0026w=2"
    },
    {
      "type": "ADVISORY",
      "url": "http://marc.info/?l=oss-security\u0026m=125614592004825\u0026w=2"
    },
    {
      "type": "ADVISORY",
      "url": "http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/"
    },
    {
      "type": "ADVISORY",
      "url": "http://seclists.org/fulldisclosure/2009/Oct/263"
    },
    {
      "type": "ADVISORY",
      "url": "http://secunia.com/advisories/37088"
    },
    {
      "type": "ADVISORY",
      "url": "http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html"
    },
    {
      "type": "ADVISORY",
      "url": "http://securitytracker.com/id?1023072"
    },
    {
      "type": "ADVISORY",
      "url": "http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/"
    },
    {
      "type": "ADVISORY",
      "url": "http://www.vupen.com/english/advisories/2009/2986"
    },
    {
      "type": "ADVISORY",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/53884"
    },
    {
      "type": "ARTICLE",
      "url": "http://marc.info/?l=oss-security\u0026m=125612393329041\u0026w=2"
    },
    {
      "type": "ARTICLE",
      "url": "http://marc.info/?l=oss-security\u0026m=125614592004825\u0026w=2"
    },
    {
      "type": "ARTICLE",
      "url": "http://seclists.org/fulldisclosure/2009/Oct/263"
    },
    {
      "type": "EVIDENCE",
      "url": "http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/"
    },
    {
      "type": "EVIDENCE",
      "url": "http://seclists.org/fulldisclosure/2009/Oct/263"
    },
    {
      "type": "FIX",
      "url": "http://www.vupen.com/english/advisories/2009/2986"
    },
    {
      "type": "REPORT",
      "url": "http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=530056"
    },
    {
      "type": "WEB",
      "url": "http://codes.zerial.org/php/wp-trackbacks_dos.phps"
    },
    {
      "type": "WEB",
      "url": "http://www.osvdb.org/59077"
    }
  ]
}