{"cve":"CVE-2018-1000201","nvd":{"published":"2018-06-22T18:29:00.217","modified":"2026-06-17T01:32:40.150","status":"Modified","description":"ruby-ffi version 1.9.23 and earlier has a DLL loading issue which can be hijacked on Windows OS, when a Symbol is used as DLL name instead of a String This vulnerability appears to have been fixed in v1.9.24 and later.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-426"],"references":["https://github.com/ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a","https://github.com/ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c","https://github.com/ffi/ffi/commit/09e0c6076466b4383da7fa4e13f714311109945a","https://github.com/ffi/ffi/commit/e0fe486df0e117ed67b0282b6ada04b7214ca05c"],"products":["ruby-ffi_project:ruby-ffi"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2018-1000201","score":0.0133,"percentile":0.71059,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2gw2-8q9w-cw8p","url":"https://osv.dev/vulnerability/GHSA-2gw2-8q9w-cw8p","summary":"Ruby-ffi has a DLL loading issue ","modified":"2024-02-16T08:15:21.317366Z","packages":[{"ecosystem":"RubyGems","name":"ffi","purl":"pkg:gem/ffi","ranges":["<1.9.24"],"fixed":["1.9.24"]}]}],"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."]}