Heap Overflow in Ruby Psych::Emitter::start_document due to tag array misuse
CVE-2016-2338 Published on September 29, 2022
An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document 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 size after mentioned allocation and cause heap overflow.
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Exploit Probability
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