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CVE-2009-3622

MEDIUM 4.3 CVSS 2.0
Published
October 23, 2009
Last modified
June 16, 2026
NVD status
Modified
Reported by
secalert@redhat.com
Weakness
CWE-310
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P

Description

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.

Affected WordPress components

  • WordPress core
    Confirmed match
    Up to and including 2.8.4

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • wordpress wordpress — Up to and including 2.8.4

References

  • codes.zerial.org http://codes.zerial.org/php/wp-trackbacks_dos.phps Broken Link
  • marc.info http://marc.info/?l=oss-security&m=125612393329041&w=2 Mailing List, Third Party Advisory
  • marc.info http://marc.info/?l=oss-security&m=125614592004825&w=2 Mailing List, Third Party Advisory
  • rooibo.wordpress.com http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/ Exploit, Issue Tracking, Vendor Advisory
  • seclists.org http://seclists.org/fulldisclosure/2009/Oct/263 Exploit, Mailing List, Third Party Advisory
  • secunia.com http://secunia.com/advisories/37088 Third Party Advisory
  • security-sh3ll.blogspot.com http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html Third Party Advisory
  • securitytracker.com http://securitytracker.com/id?1023072 Third Party Advisory, VDB Entry
  • wordpress.org http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/ Vendor Advisory
  • www.osvdb.org http://www.osvdb.org/59077 Broken Link
  • www.vupen.com http://www.vupen.com/english/advisories/2009/2986 Patch, Vendor Advisory
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=530056 Issue Tracking
  • exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/53884 Third Party Advisory, VDB Entry
  • nvd.nist.gov Official NVD record