AI Score
Confidence
High
EPSS
Percentile
48.9%
A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression 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 wasm-as.
github.com/WebAssembly/binaryen/issues/1867