An issue was discovered in the smallvec crate before 0.6.3 for Rust. The Iterator implementation mishandles destructors, leading to a double free.
{ "versions": [ { "introduced": "0.3.2" }, { "fixed": "0.6.3" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20991.json"