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    CVE-2009-1904

    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.

    Published:Jun 10, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 11, 2009
    EPSS Score:0.04526
    CVSS Score:5

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    http://redmine.ruby-lang.org/issues/show/794http://redmine.ruby-lang.org/issues/show/794https://github.com/NZKoz/bigdecimal-segfault-fix

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689
    http://bugs.gentoo.org/show_bug.cgi?id=273213
    http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master
    http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source
    http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
    http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html
    http://osvdb.org/55031
    http://redmine.ruby-lang.org/issues/show/794
    http://secunia.com/advisories/35399
    http://secunia.com/advisories/35527
    http://secunia.com/advisories/35593
    http://secunia.com/advisories/35699
    http://secunia.com/advisories/35937
    http://secunia.com/advisories/37705
    http://security.gentoo.org/glsa/glsa-200906-02.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805
    http://support.apple.com/kb/HT4077
    http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:160
    http://www.redhat.com/support/errata/RHSA-2009-1140.html
    http://www.ruby-forum.com/topic/189071
    http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/
    http://www.securityfocus.com/bid/35278
    http://www.securitytracker.com/id?1022371
    http://www.ubuntu.com/usn/USN-805-1
    http://www.vupen.com/english/advisories/2009/1563
    https://bugs.launchpad.net/bugs/385436
    https://bugs.launchpad.net/bugs/cve/2009-1904
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51032
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689
    http://bugs.gentoo.org/show_bug.cgi?id=273213
    http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master
    http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source
    http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
    http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html
    http://osvdb.org/55031
    http://redmine.ruby-lang.org/issues/show/794
    http://secunia.com/advisories/35399
    http://secunia.com/advisories/35527
    http://secunia.com/advisories/35593
    http://secunia.com/advisories/35699
    http://secunia.com/advisories/35937
    http://secunia.com/advisories/37705
    http://security.gentoo.org/glsa/glsa-200906-02.xml
    http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805
    http://support.apple.com/kb/HT4077
    http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/
    http://www.mandriva.com/security/advisories?name=MDVSA-2009:160
    http://www.redhat.com/support/errata/RHSA-2009-1140.html
    http://www.ruby-forum.com/topic/189071
    http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/
    http://www.securityfocus.com/bid/35278
    http://www.securitytracker.com/id?1022371
    http://www.ubuntu.com/usn/USN-805-1
    http://www.vupen.com/english/advisories/2009/1563
    https://bugs.launchpad.net/bugs/385436
    https://bugs.launchpad.net/bugs/cve/2009-1904
    https://exchange.xforce.ibmcloud.com/vulnerabilities/51032
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780
    https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High