Webassembly Binaryen

25 CVEs affecting Webassembly Binaryen. Latest disclosed: 2026-05-11. Critical: 0, High: 1.

Top CVEs affecting Webassembly Binaryen
CVESeverityScorePublishedSummary
CVE-2021-45290High7.52021-12-21A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.
CVE-2020-18382Medium6.52023-08-22Heap-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 se…
CVE-2020-18378Medium6.52023-08-22A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a se…
CVE-2019-15759Medium6.52019-08-29An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::finalize in…
CVE-2019-15758Medium6.52019-08-29An issue was discovered in Binaryen 1.38.32. Missing validation rules in asmjs/asmangle.cpp can lead to an Assertion Failure at wasm/wasm.cpp in wasm::asmangle…
CVE-2019-7704Medium6.52019-02-10wasm::WasmBinaryBuilder::readUserSection in wasm-binary.cpp in Binaryen 1.38.22 triggers an attempt at excessive memory allocation, as demonstrated by wasm-mer…
CVE-2019-7703Medium6.52019-02-10In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp. Remote attackers could leverage this vulnerabi…
CVE-2019-7702Medium6.52019-02-10A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser.cpp in Binaryen 1.38.22. A crafted wasm input can c…
CVE-2019-7701Medium6.52019-02-10A 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 ca…
CVE-2019-7700Medium6.52019-02-10A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22. A crafted wasm input can cause a seg…
CVE-2019-7662Medium6.52019-02-09An assertion failure was discovered in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22. This allows remote attackers to cause a denia…
CVE-2019-7154Medium6.52019-01-29The 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::JSPri…
CVE-2019-7153Medium6.52019-01-29A NULL pointer dereference was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getFunc…
CVE-2019-7152Medium6.52019-01-29A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getF…
CVE-2019-7151Medium6.52019-01-29A NULL pointer dereference was discovered in wasm::Module::getFunctionOrNull in wasm/wasm.cpp in Binaryen 1.38.22. A crafted input can cause segmentation fault…
CVE-2021-46055Medium5.52022-01-10A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).
CVE-2021-46054Medium5.52022-01-10A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).
CVE-2021-46053Medium5.52022-01-10A Denial of Service vulnerability exists in Binaryen 103. The program terminates with signal SIGKILL.
CVE-2021-46052Medium5.52022-01-10A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::Tuple::validate.
CVE-2021-46050Medium5.52022-01-10A Stack Overflow vulnerability exists in Binaryen 103 via the printf_common function.