WebKit Unspecified Memory Corruption Vulnerability(CVE-2017-2521)

WebKit: JSC: JSObject::ensureLength doesn't check if ensureLengthSlow failed. Here's a snippet of JSObject::ensureLength. bool WARNUNUSEDRETURN ensureLengthVM& vm, unsigned length ASSERTlength vectorLength publicLength setPublicLengthlength; return result; |setPublicLength| is called whether...