cve/2019/CVE-2019-7701.md

### [CVE-2019-7701](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7701)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm2js.

### POC

#### Reference
- https://github.com/WebAssembly/binaryen/issues/1863

#### Github
No PoCs found on GitHub currently.