{"id":"RUSTSEC-2026-0021","summary":"Panic adding excessive fields to a `wasi:http/types.fields` instance","details":"This is an entry in the RustSec database for the Wasmtime security advisory\nlocated at\nhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-243v-98vx-264h\nFor more information see the GitHub-hosted security advisory.","aliases":["CVE-2026-27572","GHSA-243v-98vx-264h"],"modified":"2026-02-24T19:55:08.422139Z","published":"2026-02-24T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/wasmtime"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2026-0021.html"},{"type":"ADVISORY","url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-243v-98vx-264h"}],"affected":[{"package":{"name":"wasmtime","ecosystem":"crates.io","purl":"pkg:cargo/wasmtime"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"24.0.6"},{"introduced":"25.0.0"},{"fixed":"36.0.6"},{"introduced":"37.0.0"},{"fixed":"40.0.4"},{"introduced":"41.0.0"},{"fixed":"41.0.4"}]}],"ecosystem_specific":{"affected_functions":null,"affects":{"arch":[],"functions":[],"os":[]}},"database_specific":{"categories":[],"cvss":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2026-0021.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"}]}