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CVE-2006-6303

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries...

5.0 MediumFix available

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Exploit likelihood

4.04%Down 0.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Record
CVE-2006-6303
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 read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Record
CVE-2006-6303
Updated
2026-11-02
EUVDEUVD-2006-6286 No score

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Record
EUVD-2006-6286
Updated
2026-11-03
GitHub AdvisoriesGHSA-fx2r-qhmq-3jjp No score

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries...

The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect boundaries in MIME multipart content, which allows remote attackers to cause a denial of service (infinite loop) via crafted HTTP requests, a different issue than CVE-2006-5467.

Record
GHSA-fx2r-qhmq-3jjp
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
irb
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-devel
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-docs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-libs
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-mode
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-tcltk
Red Hat:enterprise_linux:4::as
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
irb
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
Show 72 moreShow less
Affected packages
PackageAffectedFixed
ruby-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-docs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-libs
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-mode
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-tcltk
Red Hat:enterprise_linux:4::desktop
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
irb
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-devel
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-docs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-libs
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-mode
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-tcltk
Red Hat:enterprise_linux:4::es
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
irb
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-docs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-libs
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-mode
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
ruby-tcltk
Red Hat:enterprise_linux:4::ws
 before 0:1.8.1-7.EL4.8.1
0:1.8.1-7.EL4.8.1
irb
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-devel
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-docs
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-libs
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-tcltk
Red Hat:enterprise_linux:2.1::as
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
irb
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-devel
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-docs
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-libs
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-tcltk
Red Hat:enterprise_linux:2.1::es
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
irb
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-devel
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-docs
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-libs
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
ruby-tcltk
Red Hat:enterprise_linux:2.1::ws
 before 0:1.6.4-6.el2
0:1.6.4-6.el2
irb
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-devel
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-docs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-libs
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-mode
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-tcltk
Red Hat:enterprise_linux:3::as
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
irb
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-devel
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-docs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-libs
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-mode
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-tcltk
Red Hat:enterprise_linux:3::desktop
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
irb
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-devel
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-docs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-libs
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-mode
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-tcltk
Red Hat:enterprise_linux:3::es
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
irb
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-devel
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-docs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-libs
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-mode
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3
ruby-tcltk
Red Hat:enterprise_linux:3::ws
 before 0:1.6.8-12.el3
0:1.6.8-12.el3

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-2006-6303 is a medium vulnerability (CVSS 5.0) in Yukihiro Matsumoto Ruby, published December 6, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.04%, the 90th percentile. Fixed in irb 0:1.8.1-7.EL4.8.1.

References

Show 57 moreShow less
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