{"id":"CVE-2021-29930","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-29930","summary":"An issue was discovered in the arenavec crate through 2021-01-12 for Rust. A drop of uninitialized memory can sometimes occur upon a panic in T::default().","details":"An issue was discovered in the arenavec crate through 2021-01-12 for Rust. A drop of uninitialized memory can sometimes occur upon a panic in T::default().","published":"2021-04-01T05:15:14.267","modified":"2026-06-17T03:48:27.567","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":[],"fix":null,"references":[{"type":"EXPLOIT","url":"https://rustsec.org/advisories/RUSTSEC-2021-0040.html"},{"type":"EXPLOIT","url":"https://rustsec.org/advisories/RUSTSEC-2021-0040.html"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T03:48:27.567"}}