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TI-2012-03823 Aliases CVE-2012-4481GHSA-gh65-6rxj-m8cc

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings…

Priority LOW 24CWE-264Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

Why it matters now

EPSS 0.01941 80th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*1.8.7Vulnerableruby
  • cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:* Versions 1.8.7 Vulnerable ·ruby

Remediation

Red Hat 2 advisories

  • RHSA-2013:0612 Released 2013-03-07 · Red Hat rating Moderate
    ruby security update
    • Red Hat Enterprise Linux Desktop (v. 6) ruby-1.8.7.352-10.el6_4, ruby-devel-1.8.7.352-10.el6_4, ruby-irb-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux Desktop Optional (v. 6) ruby-1.8.7.352-10.el6_4, ruby-docs-1.8.7.352-10.el6_4, ruby-ri-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux HPC Node (v. 6) ruby-1.8.7.352-10.el6_4, ruby-devel-1.8.7.352-10.el6_4, ruby-irb-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) ruby-1.8.7.352-10.el6_4, ruby-docs-1.8.7.352-10.el6_4, ruby-ri-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux Server (v. 6) ruby-1.8.7.352-10.el6_4, ruby-devel-1.8.7.352-10.el6_4, ruby-devel-1.8.7.352-10.el6_4.ppc +4
    • Red Hat Enterprise Linux Server Optional (v. 6) ruby-1.8.7.352-10.el6_4, ruby-docs-1.8.7.352-10.el6_4, ruby-ri-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux Workstation (v. 6) ruby-1.8.7.352-10.el6_4, ruby-devel-1.8.7.352-10.el6_4, ruby-irb-1.8.7.352-10.el6_4 +2
    • Red Hat Enterprise Linux Workstation Optional (v. 6) ruby-1.8.7.352-10.el6_4, ruby-docs-1.8.7.352-10.el6_4, ruby-ri-1.8.7.352-10.el6_4 +2
  • RHSA-2013:0129 Released 2013-01-08 · Red Hat rating Moderate
    ruby security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) ruby-1.8.5-27.el5, ruby-1.8.5-27.el5.i386, ruby-1.8.5-27.el5.ia64 +33
    • Red Hat Enterprise Linux Desktop (v. 5 client) ruby-1.8.5-27.el5, ruby-1.8.5-27.el5.i386, ruby-docs-1.8.5-27.el5 +11
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) ruby-1.8.5-27.el5, ruby-devel-1.8.5-27.el5, ruby-devel-1.8.5-27.el5.i386 +2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2013:0129
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2013:0129
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2013:0129
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2013:0612
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2013:0612

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-4481
  2. 2026-10-03 Alias added: GHSA-gh65-6rxj-m8cc

References

Advisory 3

Other 3

  • 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