{"id":"CVE-2024-34447","aliases":["CLSA-2026-1769818135","CLSA-2026-1781571259","CLSA-2026-1791306023","CLSA-2026-1792696243","DEBIAN-CVE-2024-34447","EUVD-2024-1414","GHSA-4h8f-2wvx-gg5w","ROOT-APP-MAVEN-CVE-2024-34447","UBUNTU-CVE-2024-34447"],"status":"published","title":"Bouncy Castle Java Cryptography API vulnerable to DNS poisoning","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0077,"percentile":0.56079,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-297"],"published":"2024-05-03T00:00:00Z","modified":"2026-11-02T19:46:30Z","fixes":[{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk18on","fixed_in":["1.78"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15to18","fixed_in":["1.78"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk14","fixed_in":["1.78"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk12","fixed_in":["1.78"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bctls-fips","fixed_in":["1.0.19"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-lts8on","fixed_in":["2.73.6"],"sources":["ghsa","osv"]},{"ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15on","fixed_in":["1.78"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:13","package":"bouncycastle","fixed_in":["1.80-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"bouncycastle","fixed_in":["1.80-1"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"org.bouncycastle:bcprov-jdk18on","fixed_in":["1.77-aikido.6","1.77-aikido.5","1.75-aikido.4","1.78-aikido.3","1.78-aikido.2"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"io.root.org.bouncycastle:bcprov-jdk18on","fixed_in":["1.77-root.io.6","1.77-root.io.5","1.75-root.io.4","1.78-root.io.3","1.78-root.io.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"bouncycastle","fixed_in":["1.61-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"bouncycastle","fixed_in":["1.68-5ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"bouncycastle","fixed_in":["1.77-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk12","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bctls-fips","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.19"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-lts8on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.73.6"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.76"},{"fixed":"1.76-tuxcare.1"}]}],"versions":["1.76"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.76"},{"fixed":"1.76-tuxcare.1"}]}],"versions":["1.76"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.76"},{"fixed":"1.76-tuxcare.1"}]}],"versions":["1.76"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.76"},{"fixed":"1.76-tuxcare.1"}]}],"versions":["1.76"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-jdk15on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.64"},{"fixed":"1.64-tuxcare.5"}]}],"versions":["1.64","1.64-tuxcare.1","1.64-tuxcare.2","1.64-tuxcare.3","1.64-tuxcare.4"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.64"},{"fixed":"1.64-tuxcare.5"}]}],"versions":["1.64","1.64-tuxcare.1","1.64-tuxcare.2","1.64-tuxcare.3","1.64-tuxcare.4"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk15on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.64"},{"fixed":"1.64-tuxcare.5"}]}],"versions":["1.64","1.64-tuxcare.1","1.64-tuxcare.2","1.64-tuxcare.3","1.64-tuxcare.4"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.64"},{"fixed":"1.64-tuxcare.5"}]}],"versions":["1.64","1.64-tuxcare.1","1.64-tuxcare.2","1.64-tuxcare.3","1.64-tuxcare.4"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-debug-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-debug-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.77"},{"fixed":"1.77-tuxcare.3"}]}],"versions":["1.77","1.77-tuxcare.1","1.77-tuxcare.2"],"bundled":7},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpg-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpg-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpg-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-debug-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-debug-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcpkix-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-debug-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-debug-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-debug-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-debug-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-ext-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.bouncycastle:bctls-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.75"},{"fixed":"1.75-tuxcare.1"}]}],"versions":["1.75"],"bundled":9},{"source":"osv","ecosystem":"Debian:12","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.72-2","1.77-1","1.80-1","1.80-2","1.80-3","1.86-1","1.86.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.80-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.80-1"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}],"versions":["1.71","1.71.1","1.72","1.73","1.74","1.75","1.76","1.77"]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15to18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}],"versions":["1.63","1.64","1.65","1.66","1.67","1.68","1.69","1.70","1.71","1.72","1.73","1.74","1.75","1.76","1.77"]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk14","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}],"versions":["1.61","1.62","1.63","1.64","1.65","1.67","1.68","1.69","1.70","1.71","1.72","1.73","1.74","1.75","1.76","1.77"]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk12","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bctls-fips","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.19"}]}],"versions":["1.0.0","1.0.1","1.0.10","1.0.10.1","1.0.10.2","1.0.10.3","1.0.11","1.0.11.1","1.0.11.2","1.0.11.3","1.0.11.4","1.0.12","1.0.12.1","1.0.12.2","1.0.12.3","1.0.13","1.0.14","1.0.14.1","1.0.16","1.0.17","1.0.18","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9"]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-lts8on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.73.6"}]}],"versions":["2.73.0","2.73.1","2.73.2","2.73.3","2.73.4","2.73.5"]},{"source":"osv","ecosystem":"Maven","package":"org.bouncycastle:bcprov-jdk15on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.61"},{"fixed":"1.78"}]}],"versions":["1.61","1.62","1.63","1.64","1.65","1.65.01","1.66","1.67","1.68","1.69","1.70"]},{"source":"osv","ecosystem":"Root:Maven","package":"org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.77-aikido.6"},{"fixed":"1.77-aikido.5"},{"fixed":"1.75-aikido.4"},{"fixed":"1.78-aikido.3"},{"fixed":"1.78-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:Maven","package":"io.root.org.bouncycastle:bcprov-jdk18on","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.77-root.io.6"},{"fixed":"1.77-root.io.5"},{"fixed":"1.75-root.io.4"},{"fixed":"1.78-root.io.3"},{"fixed":"1.78-root.io.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.61-1ubuntu0.1~esm1"}]}],"versions":["1.61-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.68-5ubuntu0.1~esm1"}]}],"versions":["1.68-2","1.68-4","1.68-5"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"bouncycastle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.77-1ubuntu0.1~esm1"}]}],"versions":["1.72-2","1.77-1"]}],"references":[{"url":"https://www.bouncycastle.org/latest_releases.html","tags":["x_transferred","web","report"]},{"url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9034447","tags":["x_transferred","web"]},{"url":"https://security.netapp.com/advisory/ntap-20240614-0007/","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34447","tags":["advisory"]},{"url":"https://github.com/bcgit/bc-java/issues/1656","tags":["web","report"]},{"url":"http://security.netapp.com/advisory/ntap-20240614-0007","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4h8f-2wvx-gg5w"},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-34447","tags":["advisory"]},{"url":"https://github.com/bcgit/bc-java","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2024-34447","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-34447","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8108-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-34447","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T00:00:00Z","modified":"2025-06-17T19:33:58.726Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:34:23.193864Z"}],"euvd":[{"id":"EUVD-2024-1414","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T00:00:00Z","modified":"2025-06-17T19:33:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:22.334611Z"}],"ghsa":[{"id":"GHSA-4h8f-2wvx-gg5w","title":"Bouncy Castle Java Cryptography API vulnerable to DNS poisoning","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T18:30:37Z","modified":"2026-04-17T13:22:46Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:39:55.105822Z"}],"nvd":[{"id":"CVE-2024-34447","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T16:15:11.46Z","modified":"2026-06-17T07:33:25.76Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T14:09:56.122111Z"}],"osv":[{"id":"DEBIAN-CVE-2024-34447","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T16:15:11.46Z","modified":"2026-11-02T12:02:31.379980397Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:42.530184Z"},{"id":"GHSA-4h8f-2wvx-gg5w","title":"Bouncy Castle Java Cryptography API vulnerable to DNS poisoning","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T18:30:37Z","modified":"2026-09-10T03:50:13.46569476Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-297"],"updated_at":"2026-11-02T15:46:37.148947Z"},{"id":"ROOT-APP-MAVEN-CVE-2024-34447","title":"CVE-2024-34447 in org.bouncycastle:bcprov-jdk18on - Patched by Root","description":"Root has patched CVE-2024-34447 in the org.bouncycastle:bcprov-jdk18on package for Root:Maven. Multiple fixed versions available.","status":"published","published":"2026-09-24T10:19:49Z","modified":"2026-09-24T11:15:03.233863387Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:53:27.066589Z"},{"id":"UBUNTU-CVE-2024-34447","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T16:15:00Z","modified":"2026-03-19T07:55:03.983498Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T16:54:50.784131Z"},{"id":"CLSA-2026-1769818135","title":"TuxCare security update for org.bouncycastle (5 CVEs)","description":"TuxCare rebuilt 4 org.bouncycastle packages to address 5 CVEs. Fixed in 1.76-tuxcare.1.","status":"published","published":"2026-08-04T14:52:07Z","modified":"2026-11-02T19:45:14.182326984Z","updated_at":"2026-11-02T20:30:40.499236Z"},{"id":"CLSA-2026-1781571259","title":"TuxCare security update for org.bouncycastle (3 CVEs)","description":"TuxCare rebuilt 4 org.bouncycastle packages to address 3 CVEs. Fixed in 1.64-tuxcare.5.","status":"published","published":"2026-08-04T14:52:37Z","modified":"2026-11-02T19:45:34.339483326Z","updated_at":"2026-11-02T20:30:13.950198Z"},{"id":"CLSA-2026-1791306023","title":"TuxCare security update for org.bouncycastle (7 CVEs)","description":"TuxCare rebuilt 11 org.bouncycastle packages to address 7 CVEs. Fixed in 1.77-tuxcare.3.","status":"published","published":"2026-10-06T17:00:23Z","modified":"2026-11-02T19:46:26.256383986Z","updated_at":"2026-11-02T20:29:17.805906Z"},{"id":"CLSA-2026-1792696243","title":"TuxCare security update for org.bouncycastle (9 CVEs)","description":"TuxCare rebuilt 21 org.bouncycastle packages to address 9 CVEs. Fixed in 1.75-tuxcare.1.","status":"published","published":"2026-10-22T19:10:43Z","modified":"2026-11-02T19:46:30.907798142Z","updated_at":"2026-11-02T20:28:59.01272Z"},{"id":"CVE-2024-34447","description":"An issue was discovered in the Bouncy Castle Crypto Package For Java before BC TLS Java 1.0.19 (ships with BC Java 1.78, BC Java (LTS) 2.73.6) and before BC FIPS TLS Java 1.0.19. When endpoint identification is enabled in the BCJSSE and an SSL socket is created without an explicit hostname (as happens with HttpsURLConnection), hostname verification could be performed against a DNS-resolved IP address in some situations, opening up a possibility of DNS poisoning.","status":"published","published":"2024-05-03T16:15:11Z","modified":"2026-04-10T05:12:55.787759Z","updated_at":"2026-11-02T15:44:40.391953Z"}]}}
