httputils.rb in WEBrick in Ruby 1.8.1 and 1.8.5, as used in Red Hat Enterprise Linux 4…
Priority MEDIUM 49CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.13553 96th percentileScored 2026-11-07
Fix Fixed webrick (RubyGems): 1.3.1Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | webrick (RubyGems) | before 1.3.1 | 1.3.1 | Patch available | GHSA-wfrc-r6c6-7j9r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- webrick (RubyGems) Vendor— Affected before 1.3.1 Fixed in 1.3.1 Patch available GHSA-wfrc-r6c6-7j9r
Remediation
- Fix · GHSA-wfrc-r6c6-7j9r webrick (RubyGems) Fixed in 1.3.1 Advisory →
Red Hat 1 advisory
- RHSA-2008:0981 Released 2008-12-04 · Red Hat rating Moderateruby security update
- Red Hat Enterprise Linux (v. 5 server) ruby-1.8.5-5.el5_2.6, ruby-1.8.5-5.el5_2.6.i386, ruby-1.8.5-5.el5_2.6.ia64 +33
- Red Hat Enterprise Linux AS version 4 irb-1.8.1-7.el4_7.2, irb-1.8.1-7.el4_7.2.i386, irb-1.8.1-7.el4_7.2.ia64 +25
- Red Hat Enterprise Linux Desktop (v. 5 client) ruby-1.8.5-5.el5_2.6, ruby-1.8.5-5.el5_2.6.i386, ruby-docs-1.8.5-5.el5_2.6 +11
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) ruby-1.8.5-5.el5_2.6, ruby-devel-1.8.5-5.el5_2.6, ruby-devel-1.8.5-5.el5_2.6.i386 +2
- Red Hat Enterprise Linux Desktop version 4 irb-1.8.1-7.el4_7.2, irb-1.8.1-7.el4_7.2.i386, ruby-1.8.1-7.el4_7.2 +11
- Red Hat Enterprise Linux ES version 4 irb-1.8.1-7.el4_7.2, irb-1.8.1-7.el4_7.2.i386, irb-1.8.1-7.el4_7.2.ia64 +18
- Red Hat Enterprise Linux WS version 4 irb-1.8.1-7.el4_7.2, irb-1.8.1-7.el4_7.2.i386, irb-1.8.1-7.el4_7.2.ia64 +18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0981 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0981 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4310
- 2026-10-03 Alias added: GHSA-wfrc-r6c6-7j9r
References
Other 7
- https://bugzilla.redhat.com/show_bug.cgi?id=470252
- oval:org.mitre.oval:def:10250
- [oss-security] 20081204 ruby CVE-2008-4310 (Red Hat specific)
- https://github.com/ruby/webrick/commit/b2ccd5ff7ddd67a4548299e110dcc5a4728a5534
- https://github.com/ruby/webrick
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2008-4310.yml
- https://web.archive.org/web/20111230125610/http://secunia.com/advisories/33013
More Ruby vulnerabilities
- TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
- TI-2017-12709 Ruby before 2.4.3 allows Net::FTP command injection. CVSS 3.0HIGH 8.8
- TI-2008-03501 Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value… CVSS 2.0HIGH 7.8
- TI-2021-09891 In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web… CVSS 3.1HIGH 7.5
- TI-2013-03637 Heap-based buffer overflow in Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1… CVSS 2.0MEDIUM 6.8
- TI-2018-11751 An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2008-4310 · CVE Program
- CVE-2008-4310 · NVD
- FIRST EPSS
- GHSA-wfrc-r6c6-7j9r · GitHub Advisory Database · CC BY 4.0
- CVE-2008-4310 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences