DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before…
Priority MEDIUM 43CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 8 fixed, 7 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens libraries with tainted names.
Why it matters now
EPSS 0.07829 94th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 8 fixed, 7 without a fix
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 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:* | 1.8.0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.0:*:*:*:*:*:*:* | 1.9.0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:* | 1.9.3 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:* | 2.0.0 p195 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:* | 2.0.0 p247 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p353:*:*:*:*:*:* | 2.0.0 p353 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p481:*:*:*:*:*:* | 2.0.0 p481 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p576:*:*:*:*:*:* | 2.0.0 p576 | Vulnerable | ruby |
- cpe:2.3:a:ruby-lang:ruby:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.0:*:*:*:*:*:*:* Versions 1.9.0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:* Versions 1.9.3 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p195:*:*:*:*:*:* Versions 2.0.0 p195 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p247:*:*:*:*:*:* Versions 2.0.0 p247 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p353:*:*:*:*:*:* Versions 2.0.0 p353 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p481:*:*:*:*:*:* Versions 2.0.0 p481 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p576:*:*:*:*:*:* Versions 2.0.0 p576 Vulnerable ·ruby
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p594:*:*:*:*:*:* | 2.0.0 p594 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p598:*:*:*:*:*:* | 2.0.0 p598 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p643:*:*:*:*:*:* | 2.0.0 p643 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p645:*:*:*:*:*:* | 2.0.0 p645 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.0.0:p647:*:*:*:*:*:* | 2.0.0 p647 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.4:*:*:*:*:*:*:* | 2.1.4 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.6:*:*:*:*:*:*:* | 2.1.6 | Vulnerable | ruby |
| cpe:2.3:a:ruby-lang:ruby:2.1.7:*:*:*:*:*:*:* | 2.1.7 | Vulnerable | ruby |
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p594:*:*:*:*:*:* Versions 2.0.0 p594 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p598:*:*:*:*:*:* Versions 2.0.0 p598 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p643:*:*:*:*:*:* Versions 2.0.0 p643 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p645:*:*:*:*:*:* Versions 2.0.0 p645 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.0.0:p647:*:*:*:*:*:* Versions 2.0.0 p647 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·ruby
- cpe:2.3:a:ruby-lang:ruby:2.1.7:*:*:*:*:*:*:* Versions 2.1.7 Vulnerable ·ruby
Remediation
Red Hat 4 advisories
- RHSA-2026:8838 Released 2026-04-17 · Red Hat rating ModerateRed 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 ModerateRed 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 ModerateRed 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 1 more Red Hat advisories
- RHSA-2018:0583 Released 2018-03-26 · Red Hat rating Importantrh-ruby22-ruby security, bug fix, and enhancement update
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| CloudForms Management Engine 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Subscription Asset Manager | Affected | No fix planned: Will not fix |
| Red Hat Hardened Images | Fixed | RHSA-2026:7305, RHSA-2026:7307, RHSA-2026:8838 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2018:0583 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:0583 |
Not affected: 1 product
- Red Hat Hardened Images
Timeline
- 2026-10-02 Threatist record created from CVE-2009-5147
- 2026-10-03 Alias added: GHSA-mmq8-m72q-qgm4
- 2026-11-06 Affected versions changed · Red Hat
References
Patch 3
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-2009-5147 · CVE Program
- CVE-2009-5147 · NVD
- FIRST EPSS
- GHSA-mmq8-m72q-qgm4 · GitHub Advisory Database · CC BY 4.0
- CVE-2009-5147 · 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