{"id":"CVE-2018-25023","aliases":["GHSA-55m5-whcv-c49c","GHSA-66p5-j55p-32r9","RUSTSEC-2018-0018"],"url":"https://o3.security/vulnerability/CVE-2018-25023","summary":"Use of Uninitialized Resource in smallvec","details":"An issue was discovered in the smallvec crate before 0.6.13 for Rust. It can create an uninitialized value of any type, including a reference type.","published":"2021-12-27T00:15:07.950Z","modified":"2026-07-08T17:18:25.453179Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":{"score":0.01389,"percentile":0.70967,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"smallvec","fixedVersion":"0.6.13"}],"fix":{"url":"https://github.com/servo/rust-smallvec/commit/e64afc8c473d43e375ab42bd33db2d0d4ac4e41b","label":"servo/rust-smallvec@e64afc8"},"references":[{"type":"ADVISORY","url":"https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/smallvec/RUSTSEC-2018-0018.md"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2018-0018.html"},{"type":"FIX","url":"https://github.com/servo/rust-smallvec/commit/e64afc8c473d43e375ab42bd33db2d0d4ac4e41b"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:18:25.453179Z"}}