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Servers and applications

CVE-2016-2337

Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.

Severity
Critical 9.8
Published
6 Jan 2017
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
RubyServers and applications · cpe:a:ruby-lang:ruby
  • Version 2.2.2
  • Version 2.3.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-2337
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-2337