Vulnerability index

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Binaryen MEDIUM 5.5
CVE-2026-8257

A vulnerability was detected in WebAssembly Binaryen up to 117. This issue affects the function IRBuilder::makeBrOn of the file src/wasm/wasm-ir-buil…

Fix: after 117
Fix from $1,600 2026-05-11
Wabt HIGH 7.8
CVE-2025-15412

A security vulnerability has been detected in WebAssembly wabt up to 1.0.39. This issue affects the function wabt::Decompiler::VarName of the file /s…

Fix: after 1.0.39
Fix from $1,950 2026-01-01
Wabt HIGH 7.8
CVE-2025-15411

A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file /src/repro…

Fix: after 1.0.39
Fix from $1,950 2026-01-01
Binaryen HIGH 7.1
CVE-2025-14956

A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src…

Fix: after 125
Fix from $1,950 2025-12-19
Binaryen MEDIUM 5.5
CVE-2025-14957

A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder…

Fix: after 125
Fix from $1,600 2025-12-19
Webassembly Binary Toolkit MEDIUM 5.3
CVE-2025-3122

A vulnerability classified as problematic was found in WebAssembly wabt 1.0.36. Affected by this vulnerability is the function BinaryReaderInterp::Be…

No fix yet
Fix from $1,600 2025-04-02
Wabt MEDIUM 6.8
CVE-2025-2584

A vulnerability was found in WebAssembly wabt 1.0.36. It has been declared as critical. This vulnerability affects the function BinaryReaderInterp::G…

No fix yet
Fix from $1,600 2025-03-21
Wabt HIGH 8.8
CVE-2025-2368

A vulnerability was found in WebAssembly wabt 1.0.36 and classified as critical. This issue affects the function wabt::interp::(anonymous namespace):…

Patch available
Fix from $1,950 2025-03-17
Webassembly Binary Toolkit MEDIUM 5.5
CVE-2023-46331

WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in DataSegment::IsValidRange(), which lead to segmentation fault.

Mitigation only
Fix from $1,600 2023-10-23
Webassembly Binary Toolkit MEDIUM 5.5
CVE-2023-46332

WebAssembly wabt 1.0.33 contains an Out-of-Bound Memory Write in DataSegment::Drop(), which lead to segmentation fault.

No fix yet
Fix from $1,600 2023-10-23
Binaryen MEDIUM 6.5
CVE-2020-18378

A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can …

No fix yet
Fix from $1,600 2023-08-22
Binaryen MEDIUM 6.5
CVE-2020-18382

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 …

No fix yet
Fix from $1,600 2023-08-22
Webassembly Binary Toolkit MEDIUM 5.5
CVE-2023-31669

WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote (").

No fix yet
Fix from $1,600 2023-05-23
Webassembly Binary Toolkit HIGH 7.5
CVE-2023-31670

An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via r…

No fix yet
Fix from $1,950 2023-05-23
Webassembly HIGH 7.8
CVE-2023-27117

WebAssembly v1.0.29 was discovered to contain a heap overflow via the component component wabt::Node::operator.

No fix yet
Fix from $1,950 2023-03-10
Webassembly MEDIUM 5.5
CVE-2023-27115

WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::cat_compute_size.

No fix yet
Fix from $1,600 2023-03-10
Webassembly MEDIUM 5.5
CVE-2023-27116

WebAssembly v1.0.29 discovered to contain an abort in CWriter::MangleType.

No fix yet
Fix from $1,600 2023-03-10
Wabt MEDIUM 5.5
CVE-2023-27119

WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild.

No fix yet
Fix from $1,600 2023-03-10
Wabt MEDIUM 5.5
CVE-2022-43283

wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write.

No fix yet
Fix from $1,600 2022-10-28
Wasm HIGH 7.8
CVE-2022-43281

wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/…

Patch available
Fix from $1,950 2022-10-28
Wabt HIGH 7.1
CVE-2022-43280

wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallExpr->GetReturnCallDropKeepCount.

Patch available
Fix from $1,950 2022-10-28
Wabt HIGH 7.1
CVE-2022-43282

wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallIndirectExpr->GetReturnCallDropKeepCount.

Patch available
Fix from $1,950 2022-10-28
Binaryen MEDIUM 5.5
CVE-2021-46054

A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 5.5
CVE-2021-46055

A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 5.5
CVE-2021-46053

A Denial of Service vulnerability exists in Binaryen 103. The program terminates with signal SIGKILL.

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 5.5
CVE-2021-46052

A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::Tuple::validate.

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 5.5
CVE-2021-46050

A Stack Overflow vulnerability exists in Binaryen 103 via the printf_common function.

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 5.5
CVE-2021-46048

A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.

No fix yet
Fix from $1,600 2022-01-10
Binaryen MEDIUM 6.5
CVE-2019-15758

An 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…

Fix: 89+
Fix from $1,600 2019-08-29
Binaryen MEDIUM 6.5
CVE-2019-15759

An issue was discovered in Binaryen 1.38.32. Two visitors in ir/ExpressionManipulator.cpp can lead to a NULL pointer dereference in wasm::LocalSet::f…

Fix: 89+
Fix from $1,600 2019-08-29