What’s Vulnerable › Products

WebAssembly Binaryen vulnerabilities

25 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your WebAssembly Binaryen version is affected

Latest WebAssembly Binaryen vulnerabilities

• CVE-2026-8257 — WebAssembly Binaryen BrOn wasm-ir-builder.cpp makeBrOn assertion (CVSS 5.5)
• CVE-2025-14957 — WebAssembly Binaryen IRBuilder wasm-ir-builder.cpp makeLocalTee null pointer dereference (CVSS 5.5)
• CVE-2025-14956 — WebAssembly Binaryen wasm-binary.cpp readExport heap-based overflow (CVSS 7.1)
• CVE-2020-18382 — (CVSS 6.5)
• CVE-2020-18378 — (CVSS 6.5)
• CVE-2021-46055 — (CVSS 5.5)
• CVE-2021-46054 — (CVSS 5.5)
• CVE-2021-46053 — (CVSS 5.5)
• CVE-2021-46052 — (CVSS 5.5)
• CVE-2021-46050 — (CVSS 5.5)
• CVE-2021-46048 — (CVSS 5.5)
• CVE-2021-45293 — (CVSS 5.5)
• CVE-2021-45290 — (CVSS 7.5)
• CVE-2019-15759 — (CVSS 6.5)
• CVE-2019-15758 — (CVSS 6.5)
• CVE-2019-7704 — (CVSS 6.5)
• CVE-2019-7703 — (CVSS 6.5)
• CVE-2019-7702 — (CVSS 6.5)
• CVE-2019-7701 — (CVSS 6.5)
• CVE-2019-7700 — (CVSS 6.5)
• CVE-2019-7662 — (CVSS 6.5)
• CVE-2019-7154 — (CVSS 6.5)
• CVE-2019-7153 — (CVSS 6.5)
• CVE-2019-7152 — (CVSS 6.5)
• CVE-2019-7151 — (CVSS 6.5)