MEDIUM
ruby: DoS vulnerability in BigDecimal
Published Jun 11, 2009
5.0
MEDIUMCVSS 2.0
EPSS 12.78%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 4
ruby-0:1.8.1-7.el4_8.3
Fixed · RHSA-2009:1140
Red Hat Enterprise Linux 5
ruby-0:1.8.5-5.el5_3.7
Fixed · RHSA-2009:1140
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | ruby-0:1.8.1-7.el4_8.3 | Fixed | RHSA-2009:1140 |
| Red Hat Enterprise Linux 5 | ruby-0:1.8.5-5.el5_3.7 | Fixed | RHSA-2009:1140 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
12.78% 0.12775
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.12775
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 12.78% (0.12775) | 96.17th | v5 (v2026.06.15) |
| Sep 16, 2026 | 12.78% (0.12775) | 96.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 8.38% (0.08375) | 94.24th | v5 (v2026.06.15) |
| Jun 4, 2026 | 2.56% (0.02559) | 85.79th | v4 (v2025.03.14) |
| Jun 3, 2026 | 6.79% (0.06786) | 91.47th | v4 (v2025.03.14) |
| Jun 1, 2026 | 8.98% (0.08985) | 92.75th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.57% (0.03572) | 87.42th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.29% (0.05286) | 89.53th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.99% (0.03991) | 87.94th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.29% (0.05286) | 89.63th | v4 (v2025.03.14) |
| Sep 19, 2025 | 3.45% (0.03449) | 87.07th | v4 (v2025.03.14) |
| Mar 20, 2025 | 5.71% (0.05710) | 89.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.61% (0.03606) | 86.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.44% (0.02435) | 90.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.51% (0.02515) | 88.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
Weaknesses (1)
References (35)
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689 x_refsource_CONFIRMPatch
- http://bugs.gentoo.org/show_bug.cgi?id=273213 x_refsource_CONFIRM
- http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master x_refsource_CONFIRMPatch
- http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source mailing-listx_refsource_MLIST
- http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html vendor-advisoryx_refsource_APPLE
- http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html mailing-listx_refsource_MLIST
- http://osvdb.org/55031 vdb-entryx_refsource_OSVDB
- http://redmine.ruby-lang.org/issues/show/794 x_refsource_CONFIRMExploitPatch
- http://secunia.com/advisories/35399 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/35527 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35593 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35699 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35937 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/37705 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200906-02.xml vendor-advisoryx_refsource_GENTOO
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805 vendor-advisoryx_refsource_SLACKWARE
- http://support.apple.com/kb/HT4077 x_refsource_CONFIRM
- http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/ x_refsource_CONFIRMPatch
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:160 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2009-1140.html vendor-advisoryx_refsource_REDHAT
- http://www.ruby-forum.com/topic/189071 x_refsource_CONFIRM
- http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/ x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/35278 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1022371 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-805-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2009/1563 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2009-1904 Vendor Advisory
- https://bugs.launchpad.net/bugs/385436 x_refsource_CONFIRM
- https://bugs.launchpad.net/bugs/cve/2009-1904 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=504958 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51032 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2009-1904
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2009-1904
- https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 11, 2009
Updated Aug 7, 2024
Reserved Jun 3, 2009
Link CVE-2009-1904
CISA Vulnrichment
Updated n/a