CVE-2006-6303

Summary

CVECVE-2006-6303
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2006-12-06 19:28:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Yukihiro Matsumoto Ruby 1.8 All All All
Application Yukihiro Matsumoto Ruby 1.8.1 All All All
Application Yukihiro Matsumoto Ruby 1.8.2 All All All
Application Yukihiro Matsumoto Ruby 1.8.2_pre1 All All All
Application Yukihiro Matsumoto Ruby 1.8.2_pre2 All All All
Application Yukihiro Matsumoto Ruby 1.8.3 All All All
Application Yukihiro Matsumoto Ruby 1.8.4 All All All
Application Yukihiro Matsumoto Ruby 1.8.5 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Advisories - Mandriva Linux af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Another DoS Vulnerability in CGI Library af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org Patch
Red Hat update for ruby - Secunia Advisories - Vulnerability Intelligence - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Mandriva update for ruby - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Gentoo update for ruby - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Gentoo Linux Documentation -- Ruby: Denial of Service vulnerability af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Security Announcement af854a3a-2127-422b-91ae-364da2661108 www.novell.com
Ruby CGI.RB Library Remote Denial Of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
svn.ruby-lang.org af854a3a-2127-422b-91ae-364da2661108 www.ruby-lang.org Patch
About Security Update 2007-005 af854a3a-2127-422b-91ae-364da2661108 docs.info.apple.com
SecurityTracker.com Archives - Ruby MIME Parsing Bug in cgi.rb Lets Remote Users Deny Service af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
rhn.redhat.com | Red Hat Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Red Hat update for ruby - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Gentoo Bug 157048 - dev-lang/ruby: Another DoS Vulnerability in CGI Library (CVE-2006-6303) af854a3a-2127-422b-91ae-364da2661108 bugs.gentoo.org Patch
Ubuntu update for ruby1.8 - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
usn/usn-394-1 - Ubuntu: Linux for human beings af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
APPLE-SA-2007-05-24 Security Update 2007-005 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
218287 – (CVE-2006-6303) CVE-2006-6303 ruby's cgi.rb vulnerable infinite loop DoS af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Patch
Apple Mac OS X Security Update for Multiple Vulnerabilities - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
JVN#84798830: Ruby の CGI ライブラリ cgi.rb におけるサービス運用妨害 (DoS) の脆弱性 af854a3a-2127-422b-91ae-364da2661108 jvn.jp
JVN:JVN#84798830 MITRE jvn.jp
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2008-07-14Joshua BressersRed Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch. For other versions of Red Hat Enterprise Linux see http://rhn.redhat.com/cve/CVE-2006-6303.html

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report