{"cve":{"cve_id":"CVE-2024-30266","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00318,"epss_percentile":0.2334,"epss_as_of":"2026-06-23","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.","published_at":"2024-04-04T15:42:00.200000Z","last_modified_at":null,"cvss_v3_score":3.3,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cvss_v3_severity":"LOW","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"none","ssvc_automatable":false,"ssvc_technical_impact":"partial","cwes":["CWE-843"],"nvd_references":["https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5","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/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:57:18.952838Z"},"effective_severity":"LOW","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"bytecodealliance","vendor_name":"bytecodealliance","product_slug":"wasmtime","product_name":"wasmtime","version_start":"= 19.0.0","version_start_inclusive":true,"version_end":"= 19.0.0","version_end_inclusive":true,"cpe23_uri":"cve5:bytecodealliance:wasmtime:= 19.0.0:= 19.0.0"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-75hq-h6g9-h4q5","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/bytecodealliance/wasmtime/issues/8281","source_type":"MISC","tags":[]},{"url":"https://github.com/bytecodealliance/wasmtime/pull/8018","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/bytecodealliance/wasmtime/pull/8283","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/bytecodealliance/wasmtime/commit/7f57d0bb0948fa56cc950278d0db230ed10e8664","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2024-04-04T15:42:00.200000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:35:22.123889Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:35:22.123889Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:35:22.123889Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:57:18.952838Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:57:18.952838Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:57:18.952838Z","label":"SSVC decision revised","source":"vulnrichment"}]}