CVE-2008-3790
MEDIUM · CVSS 5.0EPSS 15.2%EU EUVD
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."
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 15.2% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2008-3776)
- Published
- August 27, 2008
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2008-3776 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
- ruby-lang / ruby
References
- http://groups.google.com/group/comp.lang.ruby/browse_thread/thread/19f69e8a081fc0d1/e138e014b74352ca
- http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
- http://secunia.com/advisories/31602
- http://secunia.com/advisories/32165
- http://secunia.com/advisories/32219
- http://secunia.com/advisories/32255
- http://secunia.com/advisories/32256
- http://secunia.com/advisories/32371
- http://secunia.com/advisories/33178
- http://secunia.com/advisories/33185
- http://secunia.com/advisories/35074
- http://security.gentoo.org/glsa/glsa-200812-17.xml
- http://support.apple.com/kb/HT3549
- http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
- http://weblog.rubyonrails.org/2008/9/3/rails-2-0-4-maintenance-release
- http://www.debian.org/security/2008/dsa-1651
- http://www.debian.org/security/2008/dsa-1652
- http://www.openwall.com/lists/oss-security/2008/08/25/4
- http://www.openwall.com/lists/oss-security/2008/08/26/1
- http://www.openwall.com/lists/oss-security/2008/08/26/4
- http://www.redhat.com/support/errata/RHSA-2008-0897.html
- http://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/(Exploit, Patch)
- http://www.ruby-lang.org/security/20080823rexml/rexml-expansion-fix.rb(Patch)
- http://www.securityfocus.com/bid/30802
- http://www.securitytracker.com/id?1020735
- http://www.us-cert.gov/cas/techalerts/TA09-133A.html(US Government Resource)
- http://www.vupen.com/english/advisories/2008/2428
- http://www.vupen.com/english/advisories/2008/2483
- http://www.vupen.com/english/advisories/2009/1297
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44628
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10393
- https://usn.ubuntu.com/651-1/
- https://usn.ubuntu.com/691-1/
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html
- https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain