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CVE-2008-3790

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...

5.0 MediumPublic exploitFix available

CVE-2008-3790 is a medium vulnerability (CVSS 5.0) in Ruby-lang Ruby, published August 27, 2008. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.2%, the 96th percentile. Fixed in ruby1.8 1.8.5-4etch3.

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."

Exploit likelihood

15.2%Down 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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."

Record
CVE-2008-3790
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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."

Record
CVE-2008-3790
Updated
2026-11-02
EUVDEUVD-2008-3776 No score

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."

Record
EUVD-2008-3776
Updated
2026-11-03
GitHub AdvisoriesGHSA-96jc-f6m3-pf2w No score

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...

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."

Record
GHSA-96jc-f6m3-pf2w
Weakness
CWE-20
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby1.8
Debian:4.0
 before 1.8.5-4etch3, plus listed versions
1.8.5-41.8.5-4etch11.8.5-4etch2
1.8.5-4etch3
ruby1.9
Debian:4.0
 before 1.9.0+20060609-1etch3, plus listed versions
1.9.0+20060609-11.9.0+20060609-1etch11.9.0+20060609-1etch2
1.9.0+20060609-1etch3
irb
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
Show 46 moreShow less
Affected packages
PackageAffectedFixed
irb
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
irb
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
irb
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-docs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-libs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-mode
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby-tcltk
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.el4_7.1
0:1.8.1-7.el4_7.1
ruby
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-mode
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-docs
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-irb
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-libs
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-rdoc
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-ri
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-tcltk
Red Hat:enterprise_linux:5::client
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-devel
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-docs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-irb
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-libs
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-mode
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-rdoc
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-ri
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5
ruby-tcltk
Red Hat:enterprise_linux:5::server
 before 0:1.8.5-5.el5_2.5
0:1.8.5-5.el5_2.5

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBRuby 1.9 - REXML Remote Denial of Service2008-08-23

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

References

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