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CVE-2012-4466

MEDIUM · CVSS 5.0EPSS 2.6%EU EUVD

Ruby 1.8.7 before patchlevel 371, 1.9.3 before patchlevel 286, and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the name_err_mesg_to_str API function, which marks the string as tainted, a different vulnerability than CVE-2011-1005.

Key facts

CVSS score
5.0 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE)
CWE-264
EPSS score
2.6% (86th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-4395)
Published
April 25, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4395 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby
  • ruby-lang / ruby

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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