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CVE-2016-2337
Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval"…
Critical9.8EPSS 6.2%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 6.2% · top 6.5% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- type confusion
Affected products
Ruby · Ruby
- affected 2.3.0 dev
- affected 2.2.2
Tcl · Tcl/Tk
- affected 8.6 or later
References (4)
- http://www.talosintelligence.com/reports/TALOS-2016-0031/ (opens in a new tab)x_refsource_MISCx_transferred
- 91233 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [debian-lts-announce] 20180827 [SECURITY] [DLA 1480-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201710-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .