The ActiveSupport::XmlMini_JDOM backend in lib/active_support/xml_mini/jdom.rb in the Active Support component in Ruby on Rails 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13, when JRuby is used, does not properly restrict the capabilities of the XML parser, which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via vectors involving (1) an external DTD or (2) an external entity declaration in conjunction with an entity reference
Published Mar 19, 2013
5.8
MEDIUMCVSS 2.0
EPSS 2.05%
Description
The ActiveSupport::XmlMini_JDOM backend in lib/active_support/xml_mini/jdom.rb in the Active Support component in Ruby on Rails 3.0.x and 3.1.x before 3.1.12 and 3.2.x before 3.2.13, when JRuby is used, does not properly restrict the capabilities of the XML parser, which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via vectors involving (1) an external DTD or (2) an external entity declaration in conjunction with an entity reference.
Affected products
No data.
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.0
- 3.1.1
- 3.1.1
- 3.1.1
- 3.1.1
- 3.1.2
- 3.1.2
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.4
- 3.1.5
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.2.0
- 3.2.0
- 3.2.0
- 3.2.1
- 3.2.2
- 3.2.2
- 3.2.3
- 3.2.3
- 3.2.3
- 3.2.4
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.1.11
No data.
No Red Hat product state for this CVE.
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.
AV:N/AC:M/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.05% (0.02054) | 80.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.05% (0.02054) | 78.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.83% (0.00835) | 73.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.28% (0.01282) | 86.34th | v3 (v2023.03.01) |
| May 3, 2024 | 1.28% (0.01282) | 85.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.28% (0.01282) | 83.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (10)
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html vendor-advisoryx_refsource_APPLE
- http://support.apple.com/kb/HT5784 x_refsource_CONFIRM
- http://weblog.rubyonrails.org/2013/3/18/SEC-ANN-Rails-3-2-13-3-1-12-and-2-3-18-have-been-released/ x_refsource_CONFIRM
- https://github.com/advisories/GHSA-9c2j-593q-3g82 Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2013-1856.yml
- https://groups.google.com/group/rubyonrails-security/msg/6c2482d4ed1545e6?dmode=source&output=gplain mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2013-1856
- https://web.archive.org/web/20130609174600/http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- https://web.archive.org/web/20131109010518/http://lists.apple.com/archives/security-announce/2013/Oct/msg00006.html
Change history (0)
No recorded changes yet.