ruby: Incomplete fix for CVE-2008-3656
Published Dec 9, 2008
7.8
HIGHCVSS 2.0
EPSS 13.55%
Description
httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4 and 5, allows remote attackers to cause a denial of service (CPU consumption) via a crafted HTTP request. NOTE: this issue exists because of an incomplete fix for CVE-2008-3656.
Affected products
No data.
No data.
Red Hat Enterprise Linux 4
ruby-0:1.8.1-7.el4_7.2
Fixed · RHSA-2008:0981
Red Hat Enterprise Linux 5
ruby-0:1.8.5-5.el5_2.6
Fixed · RHSA-2008:0981
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | ruby-0:1.8.1-7.el4_7.2 | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux 5 | ruby-0:1.8.5-5.el5_2.6 | Fixed | RHSA-2008:0981 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:C
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 1, 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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.55% (0.13553) | 96.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.55% (0.13553) | 95.96th | v5 (v2026.06.15) |
| Dec 1, 2025 | 5.35% (0.05349) | 89.75th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.55% (0.06552) | 90.71th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.82% (0.04820) | 89.05th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.55% (0.06552) | 90.81th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.14% (0.04141) | 87.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.86% (0.06862) | 85.26th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.55% (0.03548) | 86.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.26% (0.01255) | 86.16th | v3 (v2023.03.01) |
| May 3, 2024 | 1.26% (0.01255) | 85.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.26% (0.01255) | 83.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.21% (0.01213) | 66.13th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.32% (0.01319) | 70.54th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (12)
- http://secunia.com/advisories/33013 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2008/12/04/2 mailing-listx_refsource_MLIST
- http://www.redhat.com/support/errata/RHSA-2008-0981.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2008-4310 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=470252 x_refsource_CONFIRMIssue Tracking
- https://github.com/advisories/GHSA-wfrc-r6c6-7j9r Advisory
- https://github.com/ruby/webrick/commit/b2ccd5ff7ddd67a4548299e110dcc5a4728a5534
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2008-4310.yml
- https://nvd.nist.gov/vuln/detail/CVE-2008-4310
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250 vdb-entrysignaturex_refsource_OVAL
- https://web.archive.org/web/20111230125610/http://secunia.com/advisories/33013
- https://www.cve.org/CVERecord?id=CVE-2008-4310
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/33013 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.openwall.com/lists/oss-security/2008/12/04/2 | mailing-listx_refsource_MLIST | |
| http://www.redhat.com/support/errata/RHSA-2008-0981.html | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2008-4310 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=470252 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/advisories/GHSA-wfrc-r6c6-7j9r | Advisory | |
| https://github.com/ruby/webrick/commit/b2ccd5ff7ddd67a4548299e110dcc5a4728a5534 | ||
| https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2008-4310.yml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2008-4310 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250 | vdb-entrysignaturex_refsource_OVAL | |
| https://web.archive.org/web/20111230125610/http://secunia.com/advisories/33013 | ||
| https://www.cve.org/CVERecord?id=CVE-2008-4310 |
Change history (0)
No recorded changes yet.