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TI-2006-01876 Aliases CVE-2006-1931GHSA-j98g-25wq-62h9

The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers…

Priority LOW 36Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The HTTP/XMLRPC server in Ruby before 1.8.2 uses blocking sockets, which allows attackers to cause a denial of service (blocked connections) via a large amount of data.

Why it matters now

EPSS 0.10428 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6:*:*:*:*:*:*:*1.6VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.1:*:*:*:*:*:*:*1.6.1VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.2:*:*:*:*:*:*:*1.6.2VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.3:*:*:*:*:*:*:*1.6.3VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.4:*:*:*:*:*:*:*1.6.4VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.5:*:*:*:*:*:*:*1.6.5VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.6:*:*:*:*:*:*:*1.6.6VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.7:*:*:*:*:*:*:*1.6.7VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.8:*:*:*:*:*:*:*1.8VulnerableYukihiro Matsumoto
cpe:2.3:a:yukihiro_matsumoto:ruby:1.8.1:*:*:*:*:*:*:*1.8.1VulnerableYukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.2:*:*:*:*:*:*:* Versions 1.6.2 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.3:*:*:*:*:*:*:* Versions 1.6.3 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.4:*:*:*:*:*:*:* Versions 1.6.4 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.5:*:*:*:*:*:*:* Versions 1.6.5 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.6:*:*:*:*:*:*:* Versions 1.6.6 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.6.7:*:*:*:*:*:*:* Versions 1.6.7 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.8:*:*:*:*:*:*:* Versions 1.8 Vulnerable ·Yukihiro Matsumoto
  • cpe:2.3:a:yukihiro_matsumoto:ruby:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Yukihiro Matsumoto

Remediation

Red Hat 1 advisory

  • RHSA-2006:0427 Released 2006-05-09 · Red Hat rating Moderate
    ruby security update
    • Red Hat Enterprise Linux AS version 4 irb-1.8.1-7.EL4.3, irb-1.8.1-7.EL4.3.i386, irb-1.8.1-7.EL4.3.ia64 +25
    • Red Hat Enterprise Linux Desktop version 4 irb-1.8.1-7.EL4.3, irb-1.8.1-7.EL4.3.i386, ruby-1.8.1-7.EL4.3 +11
    • Red Hat Enterprise Linux ES version 4 irb-1.8.1-7.EL4.3, irb-1.8.1-7.EL4.3.i386, irb-1.8.1-7.EL4.3.ia64 +18
    • Red Hat Enterprise Linux WS version 4 irb-1.8.1-7.EL4.3, irb-1.8.1-7.EL4.3.i386, irb-1.8.1-7.EL4.3.ia64 +18

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0427
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0427
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0427
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0427

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-1931
  2. 2026-10-03 Alias added: GHSA-j98g-25wq-62h9

References

Patch 2

Advisory 6

Other 2

  • TI-2005-01883 The XMLRPC server in utils.rb for the ruby library (libruby) 1.8 sets an invalid default… CVSS 2.0HIGH 7.5
  • TI-2005-02214 Ruby 1.6.x up to 1.6.8, 1.8.x up to 1.8.2, and 1.9.0 development up to 2005-09-01 allows… CVSS 2.0HIGH 7.5
  • TI-2006-03581 Multiple unspecified vulnerabilities in Ruby before 1.8.5 allow remote attackers to… CVSS 2.0MEDIUM 6.4
  • TI-2006-06067 The read_multipart function in cgi.rb in Ruby before 1.8.5-p2 does not properly detect… CVSS 2.0MEDIUM 5.0
  • TI-2006-05279 The cgi.rb CGI library for Ruby 1.8 allows remote attackers to cause a denial of service… CVSS 2.0MEDIUM 5.0
  • TI-2004-00890 The CGI module in Ruby 1.6 before 1.6.8, and 1.8 before 1.8.2, allows remote attackers to… CVSS 2.0MEDIUM 5.0
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences