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Vulnerability details: VCID-2yym-f64y-v7hf
Vulnerability ID VCID-2yym-f64y-v7hf
Aliases CVE-2008-4310
GHSA-wfrc-r6c6-7j9r
Summary WEBrick Denial of Service Vulnerability 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.
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-399 Resource Management Errors
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-400 Uncontrolled Resource Consumption
System Score Found at
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
epss 0.05791 https://api.first.org/data/v1/epss?cve=CVE-2008-4310
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=470252
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-wfrc-r6c6-7j9r
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2008-4310.yml
generic_textual HIGH https://github.com/ruby/webrick
generic_textual HIGH https://github.com/ruby/webrick/commit/b2ccd5ff7ddd67a4548299e110dcc5a4728a5534
cvssv2 7.8 https://nvd.nist.gov/vuln/detail/CVE-2008-4310
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2008-4310
generic_textual HIGH https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250
generic_textual HIGH https://web.archive.org/web/20111230125610/http://secunia.com/advisories/33013
generic_textual HIGH http://www.openwall.com/lists/oss-security/2008/12/04/2
generic_textual HIGH http://www.redhat.com/support/errata/RHSA-2008-0981.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2008-4310.json
https://api.first.org/data/v1/epss?cve=CVE-2008-4310
https://bugzilla.redhat.com/show_bug.cgi?id=470252
http://secunia.com/advisories/33013
https://github.com/ruby/webrick
https://github.com/ruby/webrick/commit/b2ccd5ff7ddd67a4548299e110dcc5a4728a5534
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10250
https://web.archive.org/web/20111230125610/http://secunia.com/advisories/33013
http://www.openwall.com/lists/oss-security/2008/12/04/2
http://www.redhat.com/support/errata/RHSA-2008-0981.html
cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.8.5:*:*:*:*:*:*:*
CVE-2008-4310 https://nvd.nist.gov/vuln/detail/CVE-2008-4310
CVE-2008-4310.YML https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2008-4310.yml
GHSA-wfrc-r6c6-7j9r https://github.com/advisories/GHSA-wfrc-r6c6-7j9r
RHSA-2008:0981 https://access.redhat.com/errata/RHSA-2008:0981
Data source Exploit-DB
Date added Aug. 11, 2008
Description Ruby 1.9 - 'WEBrick::HTTP::DefaultFileHandler' Crafted HTTP Request Denial of Service
Ransomware campaign use Known
Source publication date Aug. 11, 2008
Exploit type dos
Platform multiple
Source update date Dec. 21, 2016
Source URL https://www.securityfocus.com/bid/30644/info
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2008-4310
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.90461
EPSS Score 0.05791
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:50:01.755170+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/webrick/CVE-2008-4310.yml 38.0.0