{"id":"CVE-2024-30266","aliases":["PYSEC-2024-327","GHSA-75hq-h6g9-h4q5","RUSTSEC-2024-0441"],"title":"wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can l…","summary":"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, w…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"wasmtime","product":"wasmtime","ecosystem":"pip","affected":["wasmtime <= 19.0.0"],"published":"2024-04-04","updated":"2026-07-13","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/PYSEC-2024-327","references":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5"},{"url":"https://github.com/bytecodealliance/wasmtime/issues/8281"},{"url":"https://github.com/bytecodealliance/wasmtime/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/8018"},{"url":"https://github.com/bytecodealliance/wasmtime/pull/8283"}],"tags":["osv","pip"],"epss":0.0032,"epssPercentile":0.25268,"ingestedAt":"2026-07-13T18:58:06.481Z","slug":"CVE-2024-30266","body":"## Overview\n\nwasmtime 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.\n\n## Affected packages\n\n- `wasmtime <= 19.0.0`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}