MEDIUM
ruby: DoS vulnerability in the REXML module
Published Aug 27, 2008
5.0
MEDIUMCVSS 2.0
EPSS 15.20%
Description
The REXML module in Ruby 1.8.6 through 1.8.6-p287, 1.8.7 through 1.8.7-p72, and 1.9 allows context-dependent attackers to cause a denial of service (CPU consumption) via an XML document with recursively nested entities, aka an "XML entity explosion."
Affected products
No data.
OR
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.6
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.8.7
- 1.9
No data.
Red Hat Enterprise Linux 4
ruby-0:1.8.1-7.el4_7.1
Fixed · RHSA-2008:0897
Red Hat Enterprise Linux 5
ruby-0:1.8.5-5.el5_2.5
Fixed · RHSA-2008:0897
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | ruby-0:1.8.1-7.el4_7.1 | Fixed | RHSA-2008:0897 |
| Red Hat Enterprise Linux 5 | ruby-0:1.8.5-5.el5_2.5 | Fixed | RHSA-2008:0897 |
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.
15.20% 0.15197
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.15197
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 (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.20% (0.15197) | 96.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.92% (0.14921) | 96.27th | v5 (v2026.06.15) |
| Jun 4, 2026 | 11.37% (0.11365) | 93.69th | v4 (v2025.03.14) |
| Jun 3, 2026 | 23.65% (0.23651) | 96.09th | v4 (v2025.03.14) |
| Jun 1, 2026 | 16.60% (0.16602) | 95.04th | v4 (v2025.03.14) |
| Jan 21, 2026 | 28.84% (0.28838) | 96.41th | v4 (v2025.03.14) |
| Dec 28, 2025 | 23.38% (0.23380) | 95.78th | v4 (v2025.03.14) |
| Dec 27, 2025 | 33.45% (0.33453) | 96.79th | v4 (v2025.03.14) |
| Nov 30, 2025 | 23.38% (0.23380) | 95.74th | v4 (v2025.03.14) |
| Oct 28, 2025 | 25.96% (0.25961) | 96.03th | v4 (v2025.03.14) |
| Oct 27, 2025 | 33.38% (0.33378) | 96.72th | v4 (v2025.03.14) |
| Oct 17, 2025 | 25.96% (0.25961) | 96.01th | v4 (v2025.03.14) |
| Oct 1, 2025 | 28.09% (0.28086) | 96.33th | v4 (v2025.03.14) |
| Sep 19, 2025 | 33.05% (0.33052) | 96.77th | v4 (v2025.03.14) |
| Sep 2, 2025 | 26.22% (0.26219) | 96.14th | v4 (v2025.03.14) |
| Jul 30, 2025 | 28.42% (0.28424) | 96.33th | v4 (v2025.03.14) |
| Mar 30, 2025 | 23.01% (0.23013) | 95.43th | v4 (v2025.03.14) |
| Mar 29, 2025 | 27.42% (0.27418) | 94.27th | v4 (v2025.03.14) |
| Mar 20, 2025 | 23.01% (0.23013) | 95.46th | v4 (v2025.03.14) |
| Mar 17, 2025 | 25.64% (0.25636) | 95.78th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.26% (0.04262) | 92.18th | v3 (v2023.03.01) |
| Mar 7, 2024 | 2.68% (0.02683) | 90.16th | v3 (v2023.03.01) |
| Jan 31, 2024 | 2.40% (0.02398) | 88.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.48% (0.02477) | 88.37th | v3 (v2023.03.01) |
| Mar 6, 2023 | 15.27% (0.15272) | 95.95th | v2 (v2022.01.01) |
| Apr 1, 2022 | 15.27% (0.15272) | 95.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.27% (0.15272) | 91.38th | v2 (v2022.01.01) |
Weaknesses (1)
References (39)
- http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca x_refsource_MISC
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor-advisoryx_refsource_APPLE
- http://secunia.com/advisories/31602 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32165 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32219 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32255 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32256 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/32371 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/33178 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/33185 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200812-17.xml vendor-advisoryx_refsource_GENTOO
- http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
- http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm x_refsource_CONFIRM
- http://weblog.rubyonrails.org/2008/9/3/rails-2-0-4-maintenance-release x_refsource_CONFIRM
- http://www.debian.org/security/2008/dsa-1651 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1652 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2008/08/25/4 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2008/08/26/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2008/08/26/4 mailing-listx_refsource_MLIST
- http://www.redhat.com/support/errata/RHSA-2008-0897.html vendor-advisoryx_refsource_REDHAT
- http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ x_refsource_CONFIRMExploitPatch
- http://www.ruby-lang.org/security/20080823rexml/rexml-expansion-fix.rb x_refsource_CONFIRMPatch
- http://www.securityfocus.com/bid/30802 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1020735 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2008/2428 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2008/2483 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2008-3790 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=460134 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44628 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2008-3790
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10393 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/651-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/691-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2008-3790
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Aug 27, 2008
Updated Aug 7, 2024
Reserved Aug 26, 2008
Link CVE-2008-3790
CISA Vulnrichment
Updated n/a