{"id":"RUSTSEC-2023-0044","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","GHSA-xcf7-rvmh-g6q4"],"modified":"2025-10-28T06:02:18Z","published":"2023-06-20T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/openssl"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2023-0044.html"},{"type":"REPORT","url":"https://github.com/sfackler/rust-openssl/issues/1965"}],"affected":[{"package":{"name":"openssl","ecosystem":"crates.io","purl":"pkg:cargo/openssl"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.10.55"}]}],"ecosystem_specific":{"affects":{"functions":["openssl::x509::verify::X509VerifyParamRef::set_host"],"arch":[],"os":[]},"affected_functions":null},"database_specific":{"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2023-0044.json","informational":null,"categories":["memory-exposure"],"cvss":null}}],"schema_version":"1.7.3"}