{"id":"RUSTSEC-2026-0021","revision":"9fb5745c7fb641e9847de9ffc0a1d5f1","records":[{"revision":"9fb5745c7fb641e9847de9ffc0a1d5f1","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"RUSTSEC-2026-0021","aliases":["CVE-2026-27572","GHSA-243v-98vx-264h"],"title":"Panic adding excessive fields to a `wasi:http/types.fields` instance","description":"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.","state":0,"publishedAt":"2026-02-24T12:00:00+00:00","modifiedAt":"2026-10-12T18:00:13.5566084+00:00","affected":[{"ecosystem":"crates.io","name":"wasmtime","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0.0.0-0"},{"kind":"fixed","version":"24.0.6"},{"kind":"introduced","version":"25.0.0"},{"kind":"fixed","version":"36.0.6"},{"kind":"introduced","version":"37.0.0"},{"kind":"fixed","version":"40.0.4"},{"kind":"introduced","version":"41.0.0"},{"kind":"fixed","version":"41.0.4"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"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","score":null,"severity":null}],"references":["https://crates.io/crates/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0021.html","https://github.com/bytecodealliance/wasmtime/commit/301dc7162cca51def19131019af1187f45901c0a"],"sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2026-0021","license":"OSV · upstream source license applies","key":"osv:RUSTSEC-2026-0021","identifiers":["RUSTSEC-2026-0021","CVE-2026-27572","GHSA-243v-98vx-264h"]},"retained":false,"historicalAffected":[]}],"coverage":[]}