{"cve":"CVE-2023-53159","nvd":{"published":"2025-07-28T03:15:23.193","modified":"2026-09-17T16:42:20.210","status":"Analyzed","description":"The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":3.3},"cwes":["CWE-126"],"references":["https://crates.io/crates/openssl","https://github.com/sfackler/rust-openssl/issues/1965","https://rustsec.org/advisories/RUSTSEC-2023-0044.html"],"products":["sfackler:openssl"],"source":"nvd","synced_at":"2026-10-19T22:05:46.678065081+00:00"},"epss":{"cve":"CVE-2023-53159","score":0.00226,"percentile":0.1331,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-xcf7-rvmh-g6q4","url":"https://osv.dev/vulnerability/GHSA-xcf7-rvmh-g6q4","summary":"`openssl` `X509VerifyParamRef::set_host` buffer over-read","modified":"2026-09-10T03:49:57.114519393Z","packages":[{"ecosystem":"crates.io","name":"openssl","purl":"pkg:cargo/openssl","ranges":[">=0.10.0 <0.10.55"],"fixed":["0.10.55"]}]},{"id":"RUSTSEC-2023-0044","url":"https://osv.dev/vulnerability/RUSTSEC-2023-0044","summary":"`openssl` `X509VerifyParamRef::set_host` buffer over-read","modified":"2025-10-28T06:02:18Z","packages":[{"ecosystem":"crates.io","name":"openssl","purl":"pkg:cargo/openssl","ranges":[">=0.0.0-0 <0.10.55"],"fixed":["0.10.55"]}]}],"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."]}