Binaryen · Binaryen · CVE-2019-15759
**Name of the Vulnerable Software and Affected Versions**
Binaryen version 1.38.32
**Description**
An issue in Binaryen can cause a NULL pointer dereference, leading to segmentation faults and denial-of-service when processing crafted input, as demonstrated by wasm2js. This occurs due to two visitors in ir/ExpressionManipulator.cpp.
**Recommendations**
For Binaryen version 1.38.32, update to a version that fixes the NULL pointer dereference issue in wasm::LocalSet::finalize to prevent denial-of-service attacks.