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Vulnerability record · CVE-2005-1992 · published 20 June 2005

CVE-2005-1992: Yukihiro matsumoto ruby vulnerability

YYukihiro Matsumoto · Ruby

The XMLRPC server in utils.rb for the ruby library (libruby) 1.8 sets an invalid default value that prevents "security protection" using handlers, which allows remote attackers to execute arbitrary commands.

7.5 CVSS 2.0 High EPSS 6.6% · top 6.4%
7.5CVSS 2.0 base score
6.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

Description

The XMLRPC server in utils.rb for the ruby library (libruby) 1.8 sets an invalid default value that prevents "security protection" using handlers, which allows remote attackers to execute arbitrary commands.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/5237 Patch
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=315064
http://lists.apple.com/archives/security-announce/2005/Sep/msg00002.html
http://secunia.com/advisories/16920/
http://www.auscert.org.au/5509
http://www.ciac.org/ciac/bulletins/p-312.shtml
http://www.debian.org/security/2005/dsa-748
http://www.kb.cert.org/vuls/id/684913 US Government Resource
http://www.novell.com/linux/security/advisories/2005_18_sr.html
http://www.redhat.com/support/errata/RHSA-2005-543.html
http://www.securityfocus.com/bid/14016
http://www2.ruby-lang.org/en/20050701.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10819
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/5237 Patch
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=315064
http://lists.apple.com/archives/security-announce/2005/Sep/msg00002.html
http://secunia.com/advisories/16920/
http://www.auscert.org.au/5509
http://www.ciac.org/ciac/bulletins/p-312.shtml
http://www.debian.org/security/2005/dsa-748
http://www.kb.cert.org/vuls/id/684913 US Government Resource
http://www.novell.com/linux/security/advisories/2005_18_sr.html
http://www.redhat.com/support/errata/RHSA-2005-543.html
http://www.securityfocus.com/bid/14016
http://www2.ruby-lang.org/en/20050701.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10819

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2005-1992), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.