The vulnerability of the Regexp class implementation in the Ruby programming language allows a attacker to trigger a service failure.

The vulnerability of the Regexp class implementation in the Ruby programming language is related to a memory reclamation error. Exploiting this vulnerability can allow an attacker to cause a service failure through specially created objects of the Regexp class...

Microsoft Edge: Chakra: JIT: CallRegExSymbolFunction doesn't check the return type

The "CallRegExSymbolFunction" method is used to call symbol functions in regexp objects. But it doesn't check the return value's type. Since the user can define the symbol functions, it can break the JIT compiler's type assumptions. Tested Microsoft Edge 41.16299.15.0 with Experimental JavaScript...