BI
Product
Binaryen
by WebAssembly · last CVE May 11, 2026
25
CVEs
0
On KEV
7.5
Max CVSS
0
New 30D
Severity mix
Critical 0High 2Medium 23Low 0
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Add Binaryen to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-18382
6.5
1%
Aug 22
Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26
Affected: 1.38.26
CVE-2020-18378
6.5
1%
Aug 22
A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26
Affected: 1.38.26
CVE-2019-15759
6.5
1%
Aug 29
An issue was discovered in Binaryen 1.38.32
Affected: before 89
CVE-2019-15758
6.5
1%
Aug 29
An issue was discovered in Binaryen 1.38.32
Affected: before 89
CVE-2019-7701
6.5
1%
Feb 10
A heap-based buffer over-read was discovered in wasm::SExpressionParser::skipWhitespace() in wasm-s-parser.cpp in Binaryen 1.38.22
Affected: before 64
CVE-2019-7702
6.5
1%
Feb 10
A NULL pointer dereference was discovered in wasm::SExpressionWasmBuilder::parseExpression in wasm-s-parser.cpp in Binaryen 1.38.22
Affected: before 64
CVE-2019-7700
6.5
1%
Feb 10
A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp in Binaryen 1.38.22
Affected: before 64
CVE-2019-7704
6.5
1%
Feb 10
wasm::WasmBinaryBuilder::readUserSection in wasm-binary.cpp in Binaryen 1.38.22 triggers an attempt at excessive memory allocation, as demonstrated by wasm-merge and wasm-opt
Affected: before 64
CVE-2019-7703
6.5
1%
Feb 10
In Binaryen 1.38.22, there is a use-after-free problem in wasm::WasmBinaryBuilder::visitCall in wasm-binary.cpp
Affected: before 64
CVE-2019-7662
6.5
2%
Feb 9
An assertion failure was discovered in wasm::WasmBinaryBuilder::getType() in wasm-binary.cpp in Binaryen 1.38.22
Affected: before 65
CVE-2019-7151
6.5
1%
Jan 29
A NULL pointer dereference was discovered in wasm::Module::getFunctionOrNull in wasm/wasm.cpp in Binaryen 1.38.22
Affected: before 65
CVE-2019-7152
6.5
1%
Jan 29
A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getFunctionIndexName) in…
Affected: before 65
CVE-2019-7153
6.5
1%
Jan 29
A NULL pointer dereference was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getFunctionIndexName) in…
Affected: before 65
CVE-2019-7154
6.5
1%
Jan 29
The 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::JSPrinter::printAst() in…
Affected: before 65
CVE-2026-8257
5.5
0%
May 11
WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion
Affected: 117
CVE-2025-14957
5.5
0%
Dec 19
WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference
Affected: 125
CVE-2021-46055
5.5
1%
Jan 7
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*)
Affected: 104
CVE-2021-46054
5.5
1%
Jan 7
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*)
Affected: 104
CVE-2021-46053
5.5
1%
Jan 7
A Denial of Service vulnerability exists in Binaryen 103
Affected: 103
CVE-2021-46052
5.5
1%
Jan 7
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::Tuple::validate
Affected: 104
CVE-2021-46050
5.5
1%
Jan 7
A Stack Overflow vulnerability exists in Binaryen 103 via the printf_common function
Affected: 103
CVE-2021-46048
5.5
1%
Jan 7
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions
Affected: 104
CVE-2021-45293
5.5
1%
Dec 21
A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet
Affected: 103
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