Google Chrome 73.0.3683.103 - 'WasmMemoryObject::Grow' Use-After-Free

memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; if memorytracker-IsWasmSharedMemorybackingstore // This memory is shared...

Google Chrome - Integer Overflow when Processing WebAssembly Locals

Google Chrome - Integer Overflow when Processing WebAssembly Locals / When v8 decodes the locals of a function, it performs a check: if count + typelist-size kV8MaxWasmFunctionLocals decoder-errordecoder-pc - 1, "local count too large"; return false; On a 32-bit platform, this check can be bypass...