What’s Vulnerable › Vulnerabilities

CVE-2016-2337

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-01-06 · updated 2026-06-17

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.

Affected products

• Ruby: 2.2.2, 2.3.0

References

• http://www.securityfocus.com/bid/91233
• http://www.talosintelligence.com/reports/TALOS-2016-0031/
• https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
• https://security.gentoo.org/glsa/201710-18
• http://www.securityfocus.com/bid/91233
• http://www.talosintelligence.com/reports/TALOS-2016-0031/
• https://lists.debian.org/debian-lts-announce/2018/08/msg00028.html
• https://security.gentoo.org/glsa/201710-18

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