{"id":"CVE-2021-29937","aliases":["RUSTSEC-2021-0046"],"url":"https://o3.security/vulnerability/CVE-2021-29937","summary":"Free of uninitialized memory in telemetry","details":"An issue was discovered in the telemetry crate through 0.1.2 for Rust. There is a drop of uninitialized memory if a value.clone() call panics within misc::vec_with_size()","published":"2021-08-25T20:54:22Z","modified":"2026-02-04T03:05:09.121983Z","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":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"telemetry","fixedVersion":"0.1.3"}],"fix":{"url":"https://github.com/Yoric/telemetry.rs/commit/2820cf12f2e08645fd6d1f15b4a90a54d6082a81","label":"Yoric/telemetry.rs@2820cf1"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29937"},{"type":"WEB","url":"https://github.com/Yoric/telemetry.rs/issues/45"},{"type":"WEB","url":"https://github.com/Yoric/telemetry.rs/commit/2820cf12f2e08645fd6d1f15b4a90a54d6082a81"},{"type":"PACKAGE","url":"https://github.com/Yoric/telemetry.rs"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2021-0046.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-02-04T03:05:09.121983Z"}}