{"id":"CVE-2021-28036","aliases":["GHSA-fhv4-fx3v-77w6","RUSTSEC-2021-0035"],"url":"https://o3.security/vulnerability/CVE-2021-28036","summary":"quinn invalidly assumes the memory layout of std::net::SocketAddr","details":"An issue was discovered in the quinn crate before 0.7.0 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.","published":"2021-03-05T09:15:14.380Z","modified":"2026-08-07T11:31:11.874063825Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.0125,"percentile":0.67013,"asOf":"2026-08-19"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"quinn","fixedVersion":"0.5.4"},{"ecosystem":"crates.io","name":"quinn","fixedVersion":"0.6.2"}],"fix":null,"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2021-0035.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:11.874063825Z"}}