CVE-2016-2337: ruby-lang ruby
Vulnerability summary
CVE-2016-2337 is a critical (CVSS 9.8) vulnerability in ruby-lang ruby. EPSS estimates a 6.15% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 06-01-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
6.15%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.15% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- ruby1.9.1< 1.9.3.484-2ubuntu1.3
- ruby2.0< 2.0.0.484-1ubuntu2.4
Ruby1 product
- ruby2.3.0 dev | 2.2.2
Ruby-lang1 product
- rubyEOL2.2.2 | 2.3.0
Tcl1 product
- tcl\/tk8.6 or later
4 vendors · 5 products
References
7 links- www.talosintelligence.com/reports/TALOS-2016-0031/X Refsource MISCExploitTechnical DescriptionThird Party AdvisoryVDB EntryREPORT
