CVE-2020-18382 Information

Description

Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block) in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault leading to denial-of-service as demonstrated by wasm-opt.

Reference

https://github.com/WebAssembly/binaryen/issues/1900