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TI-2011-02650 Aliases CVE-2011-3009GHSA-mg6g-jwh6-pwjf

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier…

Priority LOW 27CWE-310Published · 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
Partial · None · None
Fix status
Fixed

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

Summary

Ruby before 1.8.6-p114 does not reset the random seed upon forking, which makes it easier for context-dependent attackers to predict the values of random numbers by leveraging knowledge of the number sequence obtained in a different child process, a related issue to CVE-2003-0900.

Why it matters now

EPSS 0.02023 81st percentileScored 2026-11-07
Fix Fixed Red Hat: 5 advisories

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 · 3

CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:*:p111:*:*:*:*:*:*up to 1.8.6Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:1.8.6:p110:*:*:*:*:*:*1.8.6 p110Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:1.8.6:p36:*:*:*:*:*:*1.8.6 p36Vulnerableruby
  • cpe:2.3:a:ruby-lang:ruby:*:p111:*:*:*:*:*:* Versions up to 1.8.6 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:1.8.6:p110:*:*:*:*:*:* Versions 1.8.6 p110 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:1.8.6:p36:*:*:*:*:*:* Versions 1.8.6 p36 Vulnerable ·ruby

Remediation

Red Hat 5 advisories

  • RHSA-2026:8838 Released 2026-04-17 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby4.0-4.0.0-33.3.hum1@aarch64, ruby4.0-4.0.0-33.3.hum1@src, ruby4.0-4.0.0-33.3.hum1@x86_64 +10
  • RHSA-2026:7307 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.4-3.4.8-31.1.hum1@aarch64, ruby3.4-3.4.8-31.1.hum1@src, ruby3.4-3.4.8-31.1.hum1@x86_64 +10
  • RHSA-2026:7305 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.3-3.3.10-23.1.hum1@aarch64, ruby3.3-3.3.10-23.1.hum1@src, ruby3.3-3.3.10-23.1.hum1@x86_64 +10
Show 2 more Red Hat advisories
  • RHSA-2012:0070 Released 2012-01-30 · Red Hat rating Moderate
    ruby security update
    • RHEL Desktop Workstation (v. 5 client) ruby-1.8.5-22.el5_7.1, ruby-devel-1.8.5-22.el5_7.1, ruby-devel-1.8.5-22.el5_7.1.i386 +2
    • Red Hat Enterprise Linux (v. 5 server) ruby-1.8.5-22.el5_7.1, ruby-1.8.5-22.el5_7.1.i386, ruby-1.8.5-22.el5_7.1.ia64 +33
    • Red Hat Enterprise Linux AS version 4 irb-1.8.1-18.el4, irb-1.8.1-18.el4.i386, irb-1.8.1-18.el4.ia64 +25
    • Red Hat Enterprise Linux Desktop (v. 5 client) ruby-1.8.5-22.el5_7.1, ruby-1.8.5-22.el5_7.1.i386, ruby-docs-1.8.5-22.el5_7.1 +11
    • Red Hat Enterprise Linux Desktop version 4 irb-1.8.1-18.el4, irb-1.8.1-18.el4.i386, ruby-1.8.1-18.el4 +11
    • Red Hat Enterprise Linux ES version 4 irb-1.8.1-18.el4, irb-1.8.1-18.el4.i386, irb-1.8.1-18.el4.ia64 +18
    • Red Hat Enterprise Linux WS version 4 irb-1.8.1-18.el4, irb-1.8.1-18.el4.i386, irb-1.8.1-18.el4.ia64 +18
  • RHSA-2011:1581 Released 2011-12-05 · Red Hat rating Low
    ruby security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) ruby-1.8.7.352-3.el6, ruby-irb-1.8.7.352-3.el6, ruby-libs-1.8.7.352-3.el6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) ruby-1.8.7.352-3.el6, ruby-devel-1.8.7.352-3.el6, ruby-docs-1.8.7.352-3.el6 +4
    • Red Hat Enterprise Linux HPC Node (v. 6) ruby-1.8.7.352-3.el6, ruby-irb-1.8.7.352-3.el6, ruby-libs-1.8.7.352-3.el6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) ruby-1.8.7.352-3.el6, ruby-devel-1.8.7.352-3.el6, ruby-docs-1.8.7.352-3.el6 +4
    • Red Hat Enterprise Linux Server (v. 6) ruby-1.8.7.352-3.el6, ruby-irb-1.8.7.352-3.el6, ruby-libs-1.8.7.352-3.el6 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) ruby-1.8.7.352-3.el6, ruby-devel-1.8.7.352-3.el6, ruby-devel-1.8.7.352-3.el6.ppc +5
    • Red Hat Enterprise Linux Workstation (v. 6) ruby-1.8.7.352-3.el6, ruby-irb-1.8.7.352-3.el6, ruby-libs-1.8.7.352-3.el6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) ruby-1.8.7.352-3.el6, ruby-devel-1.8.7.352-3.el6, ruby-docs-1.8.7.352-3.el6 +4

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:0070
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0070
Red Hat Enterprise Linux AS version 4Fixed RHSA-2012:0070
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0070
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2012:0070
Red Hat Enterprise Linux ES version 4Fixed RHSA-2012:0070
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux WS version 4Fixed RHSA-2012:0070
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:1581
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2011:1581
Red Hat Hardened ImagesFixed RHSA-2026:7305, RHSA-2026:7307, RHSA-2026:8838

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-3009
  2. 2026-10-03 Alias added: GHSA-mg6g-jwh6-pwjf

References

Patch 1

Advisory 2

Other 1

  • 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
See all 92 →

Sources

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