{"id":"UBUNTU-CVE-2023-53159","details":"The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.","modified":"2026-09-21T10:00:45.573041255Z","published":"2025-07-28T03:15:00Z","related":["USN-7891-1"],"upstream":["CVE-2023-53159"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-53159"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-53159"},{"type":"REPORT","url":"https://crates.io/crates/openssl"},{"type":"REPORT","url":"https://github.com/sfackler/rust-openssl/issues/1965"},{"type":"REPORT","url":"https://rustsec.org/advisories/RUSTSEC-2023-0044.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7891-1"}],"affected":[{"package":{"name":"rust-openssl","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/rust-openssl?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.23-1ubuntu0.1~esm1"}]}],"versions":["0.10.23-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"librust-openssl-dev","binary_version":"0.10.23-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-53159.json"}},{"package":{"name":"rust-openssl","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/rust-openssl?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.36-1ubuntu0.1~esm1"}]}],"versions":["0.10.29-1","0.10.36-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"librust-openssl-dev","binary_version":"0.10.36-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-53159.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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}