Security readout for executives and security teams
Old Ruby versions allowed the DL library loader to accept tainted library names. In plain terms, Ruby could load a native library name that should have been treated as untrusted. Business risk depends heavily on whether an application ever passes user-influenced values into DL::dlopen. Exposure is most likely in legacy Ruby applications using DL::dlopen or the older dl extension with untrusted or externally influenced library names. Modern Ruby deployments are less likely affected, but the source bundle does not provide complete product inventory detail. Treat as a legacy platform risk. Prioritize systems still running affected Ruby versions, especially internet-facing or privileged services. No active exploitation evidence is provided, so urgency should be driven by exposure and upgrade feasibility. Mitigation focus: Upgrade affected Ruby versions to a fixed or supported release.; For Ruby 2.0, use patchlevel 648 or later where applicable.; For Ruby 2.1, use 2.1.8 or later where applicable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2009-5147 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ruby/ruby/commit/4600cf725a86ce31266153647ae5aa1197b1215bCVE reference · x_refsource_CONFIRM
- https://www.ruby-lang.org/en/news/2015/12/16/unsafe-tainted-string-usage-in-fiddle-and-dl-cve-2015-7551/CVE reference · x_refsource_CONFIRM
- RHSA-2018:0583CVE reference · vendor-advisory, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=1248935CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.