Exploitable heap overflow vulnerability exists in Ruby's Psych::Emitter start_document function

An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter startdocument function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array...

Ruby Psych::Emitter start_document Heap Overflow Vulnerability

Talos Vulnerability Report TALOS-2016-0032 Ruby Psych::Emitter startdocument Heap Overflow Vulnerability June 14, 2016 CVE Number CVE-2016-2338 DESCRIPTION An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter startdocument...