{"cve":"CVE-2024-30266","nvd":{"published":"2024-04-04T16:15:09.107","modified":"2026-06-17T07:26:38.300","status":"Analyzed","description":"wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-843"],"references":["https://github.com/bytecodealliance/wasmtime/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664","https://github.com/bytecodealliance/wasmtime/issues/8281","https://github.com/bytecodealliance/wasmtime/pull/8018","https://github.com/bytecodealliance/wasmtime/pull/8283","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5"],"products":["bytecodealliance:wasmtime"],"source":"nvd","synced_at":"2026-10-19T21:48:32.179249784+00:00"},"epss":{"cve":"CVE-2024-30266","score":0.0032,"percentile":0.25063,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-75hq-h6g9-h4q5","url":"https://osv.dev/vulnerability/GHSA-75hq-h6g9-h4q5","summary":"Wasmtime vulnerable to panic when using a dropped extenref-typed element segment","modified":"2026-09-10T03:50:12.373857562Z","packages":[{"ecosystem":"crates.io","name":"wasmtime","purl":"pkg:cargo/wasmtime","ranges":[">=19.0.0 <19.0.1"],"fixed":["19.0.1"]}]},{"id":"PYSEC-2024-327","url":"https://osv.dev/vulnerability/PYSEC-2024-327","summary":"","modified":"2026-07-13T07:26:38.201559381Z","packages":[{"ecosystem":"PyPI","name":"wasmtime","purl":"pkg:pypi/wasmtime","ranges":["<=19.0.0"],"fixed":[]}]},{"id":"RUSTSEC-2024-0441","url":"https://osv.dev/vulnerability/RUSTSEC-2024-0441","summary":"Panic when using a dropped extenref-typed element segment","modified":"2026-10-12T18:00:07.449700455Z","packages":[{"ecosystem":"crates.io","name":"wasmtime","purl":"pkg:cargo/wasmtime","ranges":[">=19.0.0 <19.0.1"],"fixed":["19.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}