This page lists publicly disclosed CVE vulnerabilities affecting webassembly wabt (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| 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 /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. Such manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the resea | [email protected] | 1.9 | 0.01% | 2026-01-01 | 2026-04-29 |
| 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/wabt/bin/wasm-decompile of the component wasm-decompile. This manipulation causes memory corruption. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recomm | [email protected] | 1.9 | 0.01% | 2026-01-01 | 2026-04-29 |
| CVE-2025-6275 | A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm pro | [email protected] | 1.9 | 0.16% | 2025-06-19 | 2026-04-29 |
| CVE-2025-6274 | A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might | [email protected] | 1.9 | 0.16% | 2025-06-19 | 2026-04-29 |
| CVE-2025-6273 | A vulnerability was found in WebAssembly wabt up to 1.0.37 and classified as problematic. This issue affects the function LogOpcode of the file src/binary-reader-objdump.cc. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains that this issue might not affect "real world wasm programs". | [email protected] | 1.9 | 0.12% | 2025-06-19 | 2026-04-29 |
| 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::GetReturnCallDropKeepCount of the file wabt/src/interp/binary-reader-interp.cc. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. | [email protected] | 2.3 | 0.08% | 2025-03-21 | 2025-11-25 |
| 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)::BinaryReaderInterp::OnExport of the file wabt/src/interp/binary-reader-interp.cc of the component Malformed File Handler. The manipulation leads to heap-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. | [email protected] | 5.3 | 0.36% | 2025-03-17 | 2026-01-06 |
| CVE-2023-27119 | WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild. | [email protected] | 5.5 | 0.11% | 2023-03-10 | 2025-02-28 |
| CVE-2022-43283 | wasm2c v1.0.29 was discovered to contain an abort in CWriter::Write. | [email protected] | 5.5 | 0.05% | 2022-10-28 | 2025-05-08 |
| CVE-2022-43282 | wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallIndirectExpr->GetReturnCallDropKeepCount. | [email protected] | 7.1 | 0.14% | 2022-10-28 | 2025-05-08 |
| CVE-2022-43280 | wasm-interp v1.0.29 was discovered to contain an out-of-bounds read via the component OnReturnCallExpr->GetReturnCallDropKeepCount. | [email protected] | 7.1 | 0.14% | 2022-10-28 | 2025-05-07 |