Webassembly: >> Binaryen Security Vulnerabilities
A vulnerability was determined in WebAssembly Binaryen up to 125. Affected by this issue is the function WasmBinaryReader::readExport of the file src/wasm/wasm-binary.cpp. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: 4f52bff8c4075b5630422f902dd92a0af2c9f398. It is recommended to apply a patch to fix this issue.
CVSS Score
5.3
EPSS Score
0.0
Published
2025-12-19
A vulnerability was identified in WebAssembly Binaryen up to 125. This affects the function IRBuilder::makeLocalGet/IRBuilder::makeLocalSet/IRBuilder::makeLocalTee of the file src/wasm/wasm-ir-builder.cpp of the component IRBuilder. Such manipulation of the argument Index leads to null pointer dereference. Local access is required to approach this attack. The exploit is publicly available and might be used. The name of the patch is 6fb2b917a79578ab44cf3b900a6da4c27251e0d4. Applying a patch is advised to resolve this issue.
CVSS Score
3.3
EPSS Score
0.0
Published
2025-12-19
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 cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.
CVSS Score
6.5
EPSS Score
0.001
Published
2023-08-22
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 cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-opt.
CVSS Score
6.5
EPSS Score
0.002
Published
2023-08-22
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::visitRethrow(wasm::Rethrow*).
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
A Denial of Service vulnerability exists in Binaryen 103. The program terminates with signal SIGKILL.
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::Tuple::validate.
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
A Stack Overflow vulnerability exists in Binaryen 103 via the printf_common function.
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
A Denial of Service vulnerability exists in Binaryen 104 due to an assertion abort in wasm::WasmBinaryBuilder::readFunctions.
CVSS Score
5.5
EPSS Score
0.002
Published
2022-01-10
Page 1