{"id":"GHSA-xcf7-rvmh-g6q4","summary":"`openssl` `X509VerifyParamRef::set_host` buffer over-read","details":"When this function was passed an empty string, `openssl` would attempt to call `strlen` on it, reading arbitrary memory until it reached a NUL byte.","aliases":["CVE-2023-53159","RUSTSEC-2023-0044"],"modified":"2026-09-10T03:49:57.114519393Z","published":"2023-06-21T22:07:52Z","database_specific":{"nvd_published_at":null,"cwe_ids":["CWE-126"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2023-06-21T22:07:52Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53159"},{"type":"WEB","url":"https://github.com/sfackler/rust-openssl/issues/1965"},{"type":"WEB","url":"https://github.com/sfackler/rust-openssl/pull/1968"},{"type":"PACKAGE","url":"https://github.com/sfackler/rust-openssl"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2023-0044.html"}],"affected":[{"package":{"name":"openssl","ecosystem":"crates.io","purl":"pkg:cargo/openssl"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.10.0"},{"fixed":"0.10.55"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-xcf7-rvmh-g6q4/GHSA-xcf7-rvmh-g6q4.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L"}]}