{"id":"CVE-2021-28034","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-28034","summary":"An issue was discovered in the stack_dst crate before 0.6.1 for Rust. Because of the push_inner behavior, a double free can occur upon a val.clone() panic.","details":"An issue was discovered in the stack_dst crate before 0.6.1 for Rust. Because of the push_inner behavior, a double free can occur upon a val.clone() panic.","published":"2021-03-05T09:15:14.253","modified":"2026-06-17T03:45:45.270","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01167,"percentile":0.64109,"asOf":"2026-07-28"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2021-0033.html"},{"type":"FIX","url":"https://rustsec.org/advisories/RUSTSEC-2021-0033.html"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T03:45:45.270"}}