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.
Metrics
CVSS 2.0 4.3/10
AV:N/AC:M/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://codes.zerial.org/php/wp-trackbacks_dos.phpsBroken Link
- http://marc.info/?l=oss-security&m=125612393329041&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=oss-security&m=125614592004825&w=2Mailing List, Third Party Advisory
- http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/Exploit, Issue Tracking, Vendor Advisory
- http://seclists.org/fulldisclosure/2009/Oct/263Exploit, Mailing List, Third Party Advisory
- http://secunia.com/advisories/37088Third Party Advisory
- http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.htmlThird Party Advisory
- http://securitytracker.com/id?1023072Third Party Advisory, VDB Entry
- http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/Vendor Advisory
- http://www.osvdb.org/59077Broken Link
- http://www.vupen.com/english/advisories/2009/2986Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=530056Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53884Third Party Advisory, VDB Entry
- http://codes.zerial.org/php/wp-trackbacks_dos.phpsBroken Link
- http://marc.info/?l=oss-security&m=125612393329041&w=2Mailing List, Third Party Advisory
- http://marc.info/?l=oss-security&m=125614592004825&w=2Mailing List, Third Party Advisory
- http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/Exploit, Issue Tracking, Vendor Advisory
- http://seclists.org/fulldisclosure/2009/Oct/263Exploit, Mailing List, Third Party Advisory
- http://secunia.com/advisories/37088Third Party Advisory
- http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.htmlThird Party Advisory
- http://securitytracker.com/id?1023072Third Party Advisory, VDB Entry
- http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/Vendor Advisory
- http://www.osvdb.org/59077Broken Link
- http://www.vupen.com/english/advisories/2009/2986Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=530056Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53884Third Party Advisory, VDB Entry
Timeline
- Published
- Oct 23, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified