Heap overflow

The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst in emscripten-optimizer/simpleast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as...

PT-2019-18438

Name of the Vulnerable Software and Affected Versions Binaryen version 1.38.22 Description The issue arises from a heap-based buffer overflow in the main function of tools/wasm2js.cpp due to the misuse of Emscripten. This triggers an error in the cashew::JSPrinter::printAst function, located in...