{"id":"RUSTSEC-2026-0422","aliases":["GHSA-3982-jqvv-277m"],"title":"Typed functions with `i31` or `nullref` arguments may panic due to insufficient type-check","titleSource":"OSV","descriptionSource":"OSV","description":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3982-jqvv-277m\nFor more information see the GitHub-hosted security advisory.","severity":"low","score":1.8,"published":"2026-10-29T12:00:00.000Z","modified":"2026-10-30T10:45:03.669Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"crates.io","name":"wasmtime","sources":[{"name":"OSV · RUSTSEC-2026-0422","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0422"}],"ranges":[{"events":[{"introduced":"47.0.0"},{"fixed":"48.0.8"},{"introduced":"49.0.0"},{"fixed":"49.0.5"},{"introduced":"50.0.0"},{"fixed":"50.0.1"}],"type":"SEMVER"}],"versions":[],"fixed":["48.0.8","49.0.5","50.0.1"]}],"sourceAffected":[],"references":["https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0422.html","https://github.com/bytecodealliance/wasmtime/pull/15076"],"sources":[{"name":"OSV","id":"RUSTSEC-2026-0422","modified":"2026-10-30T10:45:03.669147671Z","url":"https://osv.dev/vulnerability/RUSTSEC-2026-0422"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L","score":1.8}],"products":[],"remediation":[],"observedAt":"2026-10-30T10:50:46.112Z","kev":{"status":"unavailable","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":null}