{"id":"CVE-2018-20997","aliases":["GHSA-xjxc-vfw2-cg96","RUSTSEC-2018-0010"],"url":"https://o3.security/vulnerability/CVE-2018-20997","summary":"Use after free in openssl","details":"An issue was discovered in the openssl crate before 0.10.9 for Rust. A use-after-free occurs in CMS Signing.","published":"2019-08-26T18:15:11.670Z","modified":"2026-07-08T20:04:33.784439Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"crates.io","name":"openssl","fixedVersion":"0.10.9"}],"fix":{"url":"https://github.com/sfackler/rust-openssl/pull/942","label":"sfackler/rust-openssl#942"},"references":[{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2018-0010.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20997"},{"type":"WEB","url":"https://github.com/sfackler/rust-openssl/pull/942"},{"type":"PACKAGE","url":"https://github.com/sfackler/rust-openssl"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:04:33.784439Z"}}