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CVE-2004-0983

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a...

5.0 MediumFix available

CVE-2004-0983 is a medium vulnerability (CVSS 5.0) in Yukihiro Matsumoto Ruby, published November 8, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.90%, the 79th percentile. Fixed in ruby 1.6.7-3woody4.

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.

Exploit likelihood

1.90%Up 0.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.

Record
CVE-2004-0983
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.

Record
CVE-2004-0983
Updated
2026-11-02
EUVDEUVD-2004-0981 No score

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.

Record
EUVD-2004-0981
Updated
2026-11-03
GitHub AdvisoriesGHSA-f94p-wf3v-wp5p No score

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a...

The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a certain HTTP request.

Record
GHSA-f94p-wf3v-wp5p
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby
Debian:3.0
 before 1.6.7-3woody4
1.6.7-3woody4
irb
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-devel
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-docs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-libs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-mode
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-tcltk
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
irb
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
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Affected packages
PackageAffectedFixed
ruby
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-devel
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-docs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-libs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-mode
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-tcltk
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
irb
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-devel
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-docs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-libs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-mode
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-tcltk
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
irb
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-devel
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-docs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-libs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-mode
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3
ruby-tcltk
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.3
0:1.6.8-9.EL3.3

History

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

References

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