CVE-2009-5147

Name: CVE-2009-5147
Creator: NVD / NIST
Published: 2017-03-29T14:59:00.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.77%

Last modified Jun 16, 2026

CVE-2009-5147 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.77% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

7.77%

93.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Ruby-Lang	Ruby	1.8.0
Ruby-Lang	Ruby	1.9.0
Ruby-Lang	Ruby	1.9.2
Ruby-Lang	Ruby	1.9.3
Ruby-Lang	Ruby	2.0.0
Ruby-Lang	Ruby	2.1.0
Ruby-Lang	Ruby	2.1.1
Ruby-Lang	Ruby	2.1.2
Ruby-Lang	Ruby	2.1.3
Ruby-Lang	Ruby	2.1.4
Ruby-Lang	Ruby	2.1.5
Ruby-Lang	Ruby	2.1.6
Ruby-Lang	Ruby	2.1.7

References

http://seclists.org/oss-sec/2015/q3/222Patch, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/76060Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0583
https://bugzilla.redhat.com/show_bug.cgi?id=1248935Issue Tracking, Patch, Third Party Advisory, VDB Entry
https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215bPatch, Third Party Advisory
https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/Vendor Advisory
http://seclists.org/oss-sec/2015/q3/222Patch, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/76060Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0583
https://bugzilla.redhat.com/show_bug.cgi?id=1248935Issue Tracking, Patch, Third Party Advisory, VDB Entry
https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215bPatch, Third Party Advisory
https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/Vendor Advisory

Timeline

Published: Mar 29, 2017
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-5147?

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.

How severe is CVE-2009-5147?

Severity scoring for CVE-2009-5147 is pending analysis. The EPSS model estimates a 7.77% probability of exploitation in the next 30 days.

How do I fix CVE-2009-5147?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST