{"id":"CVE-2018-20991","details":"An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.","aliases":["GHSA-rxr4-x558-x7hw","RUSTSEC-2018-0003"],"modified":"2026-07-08T20:04:32.286849Z","published":"2019-08-26T15:15:11.390Z","related":["SUSE-SU-2021:1310-1"],"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2018-0003.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/servo/rust-smallvec","events":[{"introduced":"ce94fc6777d79c0361d78cde4eb1efbc66405b2d"},{"fixed":"fcb1b7e99a2a98d928983af78a494ef566cbde8b"}],"database_specific":{"cpe":"cpe:2.3:a:servo:smallvec:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.3.2"},{"fixed":"0.6.3"}],"source":"CPE_RANGE"}}],"versions":["v0.3.3","v0.5.0","v0.4.4","v0.6.1","v0.6.0","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20991.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}