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CVE-2006-5467

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service ...

5.0 MediumFix available

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier, as demonstrated using a specifier that begins with a "-" instead of "--" and contains an inconsistent ID.

Exploit likelihood

4.52%Up 0.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier, as demonstrated using a specifier that begins with a "-" instead of "--" and contains an inconsistent ID.

Record
CVE-2006-5467
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier, as demonstrated using a specifier that begins with a "-" instead of "--" and contains an inconsistent ID.

Record
CVE-2006-5467
Updated
2026-11-02
EUVDEUVD-2006-5452 No score

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier, as demonstrated using a specifier that begins with a "-" instead of "--" and contains an inconsistent ID.

Record
EUVD-2006-5452
Updated
2026-11-03
GitHub AdvisoriesGHSA-cgqx-jwj4-2jc4 No score

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service ...

The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an HTTP request with a multipart MIME body that contains an invalid boundary specifier, as demonstrated using a specifier that begins with a "-" instead of "--" and contains an inconsistent ID.

Record
GHSA-cgqx-jwj4-2jc4
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ruby1.6
Debian:3.1
 before 1.6.8-12sarge3, plus listed versions
1.6.8-121.6.8-12sarge11.6.8-12sarge2
1.6.8-12sarge3
ruby1.8
Debian:3.1
 before 1.8.2-7sarge5, plus listed versions
1.8.2-71.8.2-7sarge11.8.2-7sarge21.8.2-7sarge4
1.8.2-7sarge5
irb
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-devel
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-docs
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-libs
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-tcltk
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
irb
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
Show 74 moreShow less
Affected packages
PackageAffectedFixed
ruby-devel
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-docs
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-libs
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-tcltk
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
irb
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-devel
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-docs
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-libs
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
ruby-tcltk
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-2.AS21.4
0:1.6.4-2.AS21.4
irb
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-devel
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-docs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-libs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-mode
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-tcltk
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
irb
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-devel
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-docs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-libs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-mode
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-tcltk
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
irb
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-devel
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-docs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-libs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-mode
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-tcltk
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
irb
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-devel
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-docs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-libs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-mode
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
ruby-tcltk
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-9.EL3.8
0:1.6.8-9.EL3.8
irb
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-devel
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-docs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-libs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-mode
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-tcltk
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
irb
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-docs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-libs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-mode
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
irb
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-devel
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-docs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-libs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-mode
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-tcltk
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
irb
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-docs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-libs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-mode
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8
ruby-tcltk
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8
0:1.8.1-7.EL4.8

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-5467 is a medium vulnerability (CVSS 5.0) in Yukihiro Matsumoto Ruby, published October 27, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.52%, the 91st percentile. Fixed in ruby1.6 1.6.8-12sarge3.

References

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