The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service…

Description

The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.

Scores

EPSS (exploitation in 30 days)

12.8% · top 3.7% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-189 (opens in a new tab)All about CWE-189 and its CVEs

Affected products

• n/a

  • affected n/a

References (31)

• ADV-2009-1563 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 35937 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35593 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://redmine.ruby-lang.org/issues/show/794 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.launchpad.net/bugs/cve/2009-1904 (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2009:1140 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [pkgsrc-changes] 20090610 CVS commit: pkgsrc/lang/ruby18-base (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [rubyonrails-security] 20090610 DoS Vulnerability in Ruby (CVE-2009-1904) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 1022371 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• oval:org.mitre.oval:def:9780 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• APPLE-SA-2010-03-29-1 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• 35399 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-805-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• FEDORA-2009-13066 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 55031 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 35278 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://bugs.gentoo.org/show_bug.cgi?id=273213 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 37705 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.apple.com/kb/HT4077 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35699 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• https://bugs.launchpad.net/bugs/385436 (opens in a new tab)x_refsource_CONFIRMx_transferred
• GLSA-200906-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• MDVSA-2009:160 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• http://www.ruby-forum.com/topic/189071 (opens in a new tab)x_refsource_CONFIRMx_transferred
• ruby-bigdecimal-dos(51032) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 35527 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• SSA:2009-170-02 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-1904](https://trackcve.app/badge/CVE-2009-1904.svg)](https://trackcve.app/cve/CVE-2009-1904)

Record last updated 7 Aug 2024, 05:27 UTC.