CVE-2016-2339

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

• CWE-119

• http://www.securityfocus.com/bid/91234
• http://www.talosintelligence.com/reports/TALOS-2016-0034/Exploit, Technical Description, Third Party Advisory, VDB Entry
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
• http://www.securityfocus.com/bid/91234
• http://www.talosintelligence.com/reports/TALOS-2016-0034/Exploit, Technical Description, Third Party Advisory, VDB Entry
• https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

Published

Jan 6, 2017

Last Modified

Jun 17, 2026

Status

Modified

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