{"action":"Upgrade smallvec to 0.6.14 or later.","affected":[{"fixed":"0.6.14","introduced":"0.6.3"},{"fixed":"1.6.1","introduced":"1.0.0"}],"component":"smallvec","cve_ids":["CVE-2021-25900"],"ecosystem":"crates.io","epss":0.0172,"exploited":false,"fixed_versions":["0.6.14","1.6.1"],"ghsa_id":"GHSA-43w2-9j62-hq99","id":"tcs_01M5KF6MPJX8QQ2VE33QHY278V","modified_at":"2026-07-17T16:00:03.208176448Z","published_at":"2021-01-08T12:00:00Z","references":["https://osv.dev/vulnerability/RUSTSEC-2021-0003","https://crates.io/crates/smallvec","https://rustsec.org/advisories/RUSTSEC-2021-0003.html","https://github.com/servo/rust-smallvec/issues/252"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"RUSTSEC-2021-0003","url":"https://osv.dev/vulnerability/RUSTSEC-2021-0003"}],"summary":"Buffer overflow in SmallVec::insert_many"}