What’s Vulnerable › Vulnerabilities

CVE-2009-5147

• Severity: high (CVSS 7.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-29 · updated 2026-06-16
• Weakness: CWE-20

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.

Affected products

• Ruby: 1.8.0, 1.9.0, 1.9.2, 1.9.3, 2.0.0, 2.0.0-p195 (+17)

References

• http://seclists.org/oss-sec/2015/q3/222
• http://www.securityfocus.com/bid/76060
• https://access.redhat.com/errata/RHSA-2018:0583
• https://bugzilla.redhat.com/show_bug.cgi?id=1248935
• https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215b
• https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/
• http://seclists.org/oss-sec/2015/q3/222
• http://www.securityfocus.com/bid/76060
• https://access.redhat.com/errata/RHSA-2018:0583
• https://bugzilla.redhat.com/show_bug.cgi?id=1248935
• https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215b
• https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/

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