{"id":"CVE-2021-26308","aliases":["GHSA-3mf3-2gv9-h39j","RUSTSEC-2021-0014"],"url":"https://o3.security/vulnerability/CVE-2021-26308","summary":"Uninitialized buffer use in marc","details":"An issue was discovered in the marc crate before 2.0.0 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated memory, violating soundness.","published":"2021-01-29T03:15:12.550Z","modified":"2026-07-08T21:27:13.283214Z","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":0.01498,"percentile":0.71861,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"marc","fixedVersion":"2.0.0"}],"fix":null,"references":[{"type":"EVIDENCE","url":"https://rustsec.org/advisories/RUSTSEC-2021-0014.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:27:13.283214Z"}}