Ruby CGI multipart parsing DoS
Published Oct 27, 2006
5.0
MEDIUMCVSS 2.0
EPSS 4.52%
Description
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.
Affected products
No data.
- 1.8
No data.
Red Hat Enterprise Linux 2.1
ruby-0:1.6.4-2.AS21.4
Fixed · RHSA-2006:0729
Red Hat Enterprise Linux 3
ruby-0:1.6.8-9.EL3.8
Fixed · RHSA-2006:0729
Red Hat Enterprise Linux 4
ruby-0:1.8.1-7.EL4.8
Fixed · RHSA-2006:0729
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 2.1 | ruby-0:1.6.4-2.AS21.4 | Fixed | RHSA-2006:0729 |
| Red Hat Enterprise Linux 3 | ruby-0:1.6.8-9.EL3.8 | Fixed | RHSA-2006:0729 |
| Red Hat Enterprise Linux 4 | ruby-0:1.8.1-7.EL4.8 | Fixed | RHSA-2006:0729 |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.52% (0.04523) | 91.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.04% (0.04038) | 89.25th | v5 (v2026.06.15) |
| Jun 3, 2026 | 13.65% (0.13647) | 94.38th | v4 (v2025.03.14) |
| Jun 1, 2026 | 8.20% (0.08204) | 92.34th | v4 (v2025.03.14) |
| Nov 30, 2025 | 5.04% (0.05038) | 89.33th | v4 (v2025.03.14) |
| Nov 20, 2025 | 6.75% (0.06751) | 90.38th | v4 (v2025.03.14) |
| Sep 19, 2025 | 4.52% (0.04519) | 88.72th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.49% (0.06485) | 90.17th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.46% (0.09463) | 87.92th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.49% (0.06485) | 90.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 19.14% (0.19143) | 96.26th | v3 (v2023.03.01) |
| Mar 21, 2024 | 20.60% (0.20598) | 96.26th | v3 (v2023.03.01) |
| Dec 23, 2023 | 15.66% (0.15660) | 95.41th | v3 (v2023.03.01) |
| Oct 8, 2023 | 18.31% (0.18308) | 95.56th | v3 (v2023.03.01) |
| Aug 31, 2023 | 19.35% (0.19348) | 95.62th | v3 (v2023.03.01) |
| Jul 24, 2023 | 21.51% (0.21511) | 95.80th | v3 (v2023.03.01) |
| Jun 16, 2023 | 22.43% (0.22430) | 95.83th | v3 (v2023.03.01) |
| Mar 31, 2023 | 22.76% (0.22763) | 95.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 25.95% (0.25952) | 95.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Feb 13, 2023 | 4.36% (0.04358) | 87.63th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (30)
- ftp://patches.sgi.com/support/free/security/advisories/20061101-01-P vendor-advisoryx_refsource_SGIPatchVendor Advisory
- http://docs.info.apple.com/article.html?artnum=305530 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2007/May/msg00004.html vendor-advisoryx_refsource_APPLE
- http://rubyforge.org/pipermail/mongrel-users/2006-October/001946.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/22615 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/22624 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/22761 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/22929 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/22932 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/23040 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/23344 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/25402 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.gentoo.org/glsa/glsa-200611-12.xml vendor-advisoryx_refsource_GENTOOPatchVendor Advisory
- http://securitytracker.com/id?1017194 vdb-entryx_refsource_SECTRACKPatch
- http://www.debian.org/security/2006/dsa-1234 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2006/dsa-1235 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:192 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2006_26_sr.html vendor-advisoryx_refsource_SUSEPatchVendor Advisory
- http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.030-ruby.html vendor-advisoryx_refsource_OPENPKGPatchVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2006-0729.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.securityfocus.com/bid/20777 vdb-entryx_refsource_BIDPatch
- http://www.ubuntu.com/usn/usn-371-1 vendor-advisoryx_refsource_UBUNTUPatch
- http://www.vupen.com/english/advisories/2006/4244 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2006/4245 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2007/1939 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2006-5467 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=212396 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2006-5467
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10185 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2006-5467
Change history (0)
No recorded changes yet.