{"id":"CVE-2020-35711","aliases":["GHSA-9pqx-g3jh-qpqq","RUSTSEC-2020-0091"],"url":"https://o3.security/vulnerability/CVE-2020-35711","summary":"Dangling reference in `access::Map` with Constant","details":"An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper (or with a user-supplied implementation of the Access trait) could sometimes lead to dangling references being returned by the map.","published":"2020-12-25T23:15:12.860Z","modified":"2026-07-08T19:43:54.771781Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"arc-swap","fixedVersion":"0.4.8"},{"ecosystem":"crates.io","name":"arc-swap","fixedVersion":"1.1.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2020-0091.html"},{"type":"FIX","url":"https://github.com/vorner/arc-swap/issues/45"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:43:54.771781Z"}}