CVE-2009-1904
The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent...
5.0 MediumPublic exploit
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.
Exploit likelihood
12.8%Up 10.1 points since Feb 4, 2022
What each source reports
NVD Score used
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.
- Record
CVE-2009-1904- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-1904- Updated
- 2026-11-02
EUVDEUVD-2009-1899 No score
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.
- Record
EUVD-2009-1899- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-prwc-wj59-8vwr No score
The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent...
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.
- Record
GHSA-prwc-wj59-8vwr- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ruby1.9Debian:4.0 From an advisory covering 2 CVEs |
before 1.9.0+20060609-1etch5, plus listed versions 1.9.0+20060609-11.9.0+20060609-1etch11.9.0+20060609-1etch21.9.0+20060609-1etch31.9.0+20060609-1etch4 |
1.9.0+20060609-1etch5 |
ruby1.8Debian:4.0 From an advisory covering 2 CVEs |
before 1.8.5-4etch5, plus listed versions 1.8.5-41.8.5-4etch11.8.5-4etch21.8.5-4etch31.8.5-4etch4 |
1.8.5-4etch5 |
ruby1.8Debian:5.0 From an advisory covering 2 CVEs |
before 1.8.7.72-3lenny1, plus listed versions 1.8.7.72-3 |
1.8.7.72-3lenny1 |
ruby1.9Debian:5.0 From an advisory covering 2 CVEs |
before 1.9.0.2-9lenny1, plus listed versions 1.9.0.2-9 |
1.9.0.2-9lenny1 |
irbRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
rubyRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-debuginfoRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-develRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-docsRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-libsRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
Show 48 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ruby-modeRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-tcltkRed Hat:enterprise_linux:4::as From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
irbRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
rubyRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-debuginfoRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-develRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-docsRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-libsRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-modeRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-tcltkRed Hat:enterprise_linux:4::desktop From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
irbRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
rubyRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-debuginfoRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-develRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-docsRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-libsRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-modeRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-tcltkRed Hat:enterprise_linux:4::es From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
irbRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
rubyRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-debuginfoRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-develRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-docsRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-libsRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-modeRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
ruby-tcltkRed Hat:enterprise_linux:4::ws From an advisory covering 3 CVEs |
before 0:1.8.1-7.el4_8.3 | 0:1.8.1-7.el4_8.3 |
rubyRed Hat:enterprise_linux:5::client_workstation From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-debuginfoRed Hat:enterprise_linux:5::client_workstation From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-develRed Hat:enterprise_linux:5::client_workstation From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-modeRed Hat:enterprise_linux:5::client_workstation From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
rubyRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-debuginfoRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-docsRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-irbRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-libsRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-rdocRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-riRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-tcltkRed Hat:enterprise_linux:5::client From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
rubyRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-debuginfoRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-develRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-docsRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-irbRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-libsRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-modeRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-rdocRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-riRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
ruby-tcltkRed Hat:enterprise_linux:5::server From an advisory covering 3 CVEs |
before 0:1.8.5-5.el5_3.7 | 0:1.8.5-5.el5_3.7 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | NZKoz/bigdecimal-segfault-fix | 2009-06-08 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-1904 is a medium vulnerability (CVSS 5.0) in Ruby-lang Ruby, published June 11, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.8%, the 96th percentile. No source names a fixed version.
References
vupen.com/english/advisories/2009/1563
secunia.com/advisories/35937
ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal
redmine.ruby-lang.org/issues/show/794
bugs.launchpad.net/bugs/cve/2009-1904
Show 41 moreShow less
bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689
redhat.com/support/errata/RHSA-2009-1140.html
mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html
groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source
securitytracker.com/id?1022371
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780
lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
github.com/NZKoz/bigdecimal-segfault-fix/tree/master
weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby
ubuntu.com/usn/USN-805-1
osvdb.org/55031
securityfocus.com/bid/35278
bugs.gentoo.org/show_bug.cgi?id=273213
support.apple.com/kb/HT4077
security.gentoo.org/glsa/glsa-200906-02.xml
mandriva.com/security/advisories?name=MDVSA-2009:160
ruby-forum.com/topic/189071
exchange.xforce.ibmcloud.com/vulnerabilities/51032
slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805
nvd.nist.gov/vuln/detail/CVE-2009-1904
access.redhat.com/errata/RHSA-2009:1140
bugzilla.redhat.com/show_bug.cgi?id=241191
security.access.redhat.com/data/csaf/v2/advisories/2009/rhsa-2009_1140.json
cve.org/CVERecord?id=CVE-2007-1558