{"cve":"CVE-2018-20997","nvd":{"published":"2019-08-26T18:15:11.670","modified":"2026-06-17T01:53:54.460","status":"Modified","description":"An issue was discovered in the openssl crate before 0.10.9 for Rust. A use-after-free occurs in CMS Signing.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-416"],"references":["https://rustsec.org/advisories/RUSTSEC-2018-0010.html","https://rustsec.org/advisories/RUSTSEC-2018-0010.html"],"products":["rust-openssl_project:rust-openssl"],"source":"nvd","synced_at":"2026-10-19T20:58:39.700375520+00:00"},"epss":{"cve":"CVE-2018-20997","score":0.01744,"percentile":0.7779,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xjxc-vfw2-cg96","url":"https://osv.dev/vulnerability/GHSA-xjxc-vfw2-cg96","summary":"Use after free in openssl","modified":"2023-11-08T04:00:13.741614Z","packages":[{"ecosystem":"crates.io","name":"openssl","purl":"pkg:cargo/openssl","ranges":[">=0.10.8 <0.10.9"],"fixed":["0.10.9"]}]},{"id":"RUSTSEC-2018-0010","url":"https://osv.dev/vulnerability/RUSTSEC-2018-0010","summary":"Use after free in CMS Signing","modified":"2023-11-08T04:00:13.741614Z","packages":[{"ecosystem":"crates.io","name":"openssl","purl":"pkg:cargo/openssl","ranges":[">=0.10.8 <0.10.9"],"fixed":["0.10.9"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}