{"id":"CVE-2025-64704","aliases":["EUVD-2025-199656","GHSA-2f2p-wf5w-82qr"],"status":"published","title":"WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00202,"percentile":0.10201,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2025-11-25T22:06:46Z","modified":"2026-10-28T02:30:45Z","products":[{"vendor":"bytecodealliance","product":"wasm-micro-runtime"},{"vendor":"bytecodealliance","product":"webassembly_micro_runtime"}],"references":[{"url":"https://github.com/bytecodealliance/wasm-micro-runtime/security/advisories/GHSA-2f2p-wf5w-82qr","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/bytecodealliance/wasm-micro-runtime/releases/tag/WAMR-2.4.4","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64704.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64704","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-64704","title":"WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.","status":"published","published":"2025-11-25T22:06:46.582Z","modified":"2025-11-26T16:03:41.819Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:32:46.750177Z"}],"euvd":[{"id":"EUVD-2025-199656","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.","status":"published","published":"2025-11-25T22:06:46Z","modified":"2025-11-26T16:03:41Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:49:12.440244Z"}],"nvd":[{"id":"CVE-2025-64704","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.","status":"published","published":"2025-11-25T23:15:47.583Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:11:46.94029Z"}],"osv":[{"id":"CVE-2025-64704","title":"WebAssembly Micro Runtime vulnerable to a segmentation fault in v128.store instruction","description":"WebAssembly Micro Runtime (WAMR) is a lightweight standalone WebAssembly (Wasm) runtime. Prior to version 2.4.4, WAMR is susceptible to a segmentation fault in v128.store instruction. This issue has been patched in version 2.4.4.","status":"published","published":"2025-11-25T22:06:46.582Z","modified":"2026-10-28T02:30:45.823769678Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:44:51.851511Z"}]}}