{"id":"GHSA-j3w3-p6mr-3hrh","summary":"DynFuture Drop Can Construct a Dangling Reference","details":"DynFuture is unsound because its Drop implementation transmutes a trait-object reference into unrelated reference types, which constructs an invalid reference from trait object metadata.\n\nThis issue was reproduced against `dyn-future` 3.0.4 under Miri. The crate is unmaintained.","aliases":["RUSTSEC-2026-0079"],"modified":"2026-04-05T05:56:19.401879988Z","published":"2026-04-04T05:55:51Z","database_specific":{"cwe_ids":["CWE-843"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-04-04T05:55:51Z","nvd_published_at":null},"references":[{"type":"WEB","url":"https://github.com/rustsec/advisory-db/issues/2595"},{"type":"PACKAGE","url":"https://github.com/xacrimon/dyn-future"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2026-0079.html"}],"affected":[{"package":{"name":"dyn-future","ecosystem":"crates.io","purl":"pkg:cargo/dyn-future"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"3.0.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-j3w3-p6mr-3hrh/GHSA-j3w3-p6mr-3hrh.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}]}