{"id":"CVE-2004-0081","aliases":["DEBIAN-CVE-2004-0081","DSA-465","EUVD-2004-0081","GHSA-pcwf-qwvv-qjg3","RHSA-2004:120"],"status":"published","title":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote...","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.07229,"percentile":0.94367,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2004-03-17T00:00:00Z","modified":"2026-10-21T15:47:21Z","fixes":[{"ecosystem":"Debian:12","package":"openssl","fixed_in":["0.9.6d-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssl","fixed_in":["0.9.6d-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssl","fixed_in":["0.9.6d-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6d-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6d-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6d-1"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6c-2.woody.6"}]}],"bundled":2},{"source":"osv","ecosystem":"Debian:3.0","package":"openssl094","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.4-6.woody.4"}]}],"versions":["0.9.4-6","0.9.4-6.potato.3","0.9.4-6.woody.3"],"bundled":2},{"source":"osv","ecosystem":"Debian:3.0","package":"openssl095","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.5a-6.woody.5"}]}],"versions":["0.9.5a-6.woody.3"],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl096b","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::as","package":"openssl096b-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl096b","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::desktop","package":"openssl096b-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl096b","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::es","package":"openssl096b-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl-perl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.7a-33.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl096b","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:3::ws","package":"openssl096b-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.9.6b-16"}]}],"bundled":3}],"products":[{"vendor":"4d","product":"webstar"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"mac_os_x_server"},{"vendor":"avaya","product":"converged_communications_server"},{"vendor":"avaya","product":"intuity_audix"},{"vendor":"avaya","product":"s8300"},{"vendor":"avaya","product":"s8500"},{"vendor":"avaya","product":"s8700"},{"vendor":"avaya","product":"sg200"},{"vendor":"avaya","product":"sg203"},{"vendor":"avaya","product":"sg208"},{"vendor":"avaya","product":"sg5"},{"vendor":"avaya","product":"vsu"},{"vendor":"bluecoat","product":"cacheos_ca_sa"},{"vendor":"bluecoat","product":"proxysg"},{"vendor":"checkpoint","product":"firewall-1"},{"vendor":"checkpoint","product":"provider-1"},{"vendor":"checkpoint","product":"vpn-1"},{"vendor":"cisco","product":"access_registrar"},{"vendor":"cisco","product":"application_and_content_networking_software"},{"vendor":"cisco","product":"call_manager"},{"vendor":"cisco","product":"ciscoworks_common_management_foundation"},{"vendor":"cisco","product":"ciscoworks_common_services"},{"vendor":"cisco","product":"content_services_switch_11500"},{"vendor":"cisco","product":"css11000_content_services_switch"},{"vendor":"cisco","product":"css_secure_content_accelerator"},{"vendor":"cisco","product":"firewall_services_module"},{"vendor":"cisco","product":"gss_4480_global_site_selector"},{"vendor":"cisco","product":"gss_4490_global_site_selector"},{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"mds_9000"},{"vendor":"cisco","product":"okena_stormwatch"},{"vendor":"cisco","product":"pix_firewall"},{"vendor":"cisco","product":"pix_firewall_software"},{"vendor":"cisco","product":"secure_content_accelerator"},{"vendor":"cisco","product":"threat_response"},{"vendor":"cisco","product":"webns"},{"vendor":"dell","product":"bsafe_ssl-j"},{"vendor":"freebsd","product":"freebsd"},{"vendor":"hp","product":"aaa_server"},{"vendor":"hp","product":"apache-based_web_server"},{"vendor":"hp","product":"hp-ux"},{"vendor":"hp","product":"wbem"},{"vendor":"lite","product":"speed_technologies_litespeed_web_server"},{"vendor":"neoteris","product":"instant_virtual_extranet"},{"vendor":"novell","product":"edirectory"},{"vendor":"novell","product":"imanager"},{"vendor":"openbsd","product":"openbsd"},{"vendor":"openssl","product":"openssl"},{"vendor":"redhat","product":"enterprise_linux"},{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"linux"},{"vendor":"redhat","product":"openssl"},{"vendor":"sco","product":"openserver"},{"vendor":"securecomputing","product":"sidewinder"},{"vendor":"sgi","product":"propack"},{"vendor":"stonesoft","product":"servercluster"},{"vendor":"stonesoft","product":"stonebeat_fullcluster"},{"vendor":"stonesoft","product":"stonebeat_securitycluster"},{"vendor":"stonesoft","product":"stonebeat_webcluster"},{"vendor":"stonesoft","product":"stonegate"},{"vendor":"stonesoft","product":"stonegate_vpn_client"},{"vendor":"sun","product":"crypto_accelerator_4000"},{"vendor":"symantec","product":"clientless_vpn_gateway_4400"},{"vendor":"tarantella","product":"tarantella_enterprise"},{"vendor":"vmware","product":"gsx_server"}],"references":[{"url":"http://www.securityfocus.com/bid/9899","tags":["vdb-entry","x_refsource_BID","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.linuxsecurity.com/advisories/engarde_advisory-4135.html","tags":["vendor-advisory","x_refsource_ENGARDE","x_transferred","advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=107955049331965\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-121.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000834","tags":["vendor-advisory","x_refsource_CONECTIVA","x_transferred","web"]},{"url":"ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10/SCOSA-2004.10.txt","tags":["vendor-advisory","x_refsource_SCO","x_transferred","web"]},{"url":"ftp://patches.sgi.com/support/free/security/advisories/20040304-01-U.asc","tags":["vendor-advisory","x_refsource_SGI","x_transferred","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15509","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.uniras.gov.uk/vuls/2004/224012/index.htm","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://fedoranews.org/updates/FEDORA-2004-095.shtml","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/57524","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A871","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11755","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://www.kb.cert.org/vuls/id/465542","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource","advisory","web"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA04-078A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource","web"]},{"url":"http://security.gentoo.org/glsa/glsa-200403-03.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/11139","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-120.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2004-119.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A902","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://www.redhat.com/support/errata/RHSA-2004-139.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://www.trustix.org/errata/2004/0012","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=108403850228012\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20040317-openssl.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","web"]},{"url":"http://www.debian.org/security/2004/dsa-465","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0081","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-pcwf-qwvv-qjg3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2004-0081","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2004:120","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"http://www.codenomicon.com/testtools/tls/","tags":["article"]},{"url":"http://www.niscc.gov.uk/","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=117770","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2004/rhsa-2004_120.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-0079","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617140","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-0079","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0079","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-0081","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617142","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-0081","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-0112","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617156","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-0112","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0112","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-0081","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2004-03-18T05:00:00Z","modified":"2024-08-08T00:01:23.65Z","updated_at":"2026-11-02T14:34:54.758165Z"}],"euvd":[{"id":"EUVD-2004-0081","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2004-03-18T05:00:00Z","modified":"2024-08-08T00:01:23Z","updated_at":"2026-11-03T01:15:21.029087Z"}],"ghsa":[{"id":"GHSA-pcwf-qwvv-qjg3","title":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote...","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2022-05-03T03:12:54Z","modified":"2023-02-01T05:01:07Z","updated_at":"2026-11-02T14:49:40.629091Z"}],"nvd":[{"id":"CVE-2004-0081","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2004-11-23T05:00:00Z","modified":"2026-06-16T22:04:53.963Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:51.000028Z"}],"osv":[{"id":"CVE-2004-0081","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2004-11-23T05:00:00Z","modified":"2026-04-10T03:35:43.327745Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2004-0081","description":"OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to cause a denial of service (infinite loop), as demonstrated using the Codenomicon TLS Test Tool.","status":"published","published":"2004-11-23T05:00:00Z","modified":"2026-10-21T15:47:21.98651126Z","updated_at":"2026-11-02T15:45:22.55978Z"},{"id":"DSA-465","title":"openssl - several vulnerabilities","status":"published","published":"2004-03-17T00:00:00Z","modified":"2026-03-09T02:08:51.412513Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"RHSA-2004:120","title":"Red Hat Security Advisory: openssl security update","status":"published","published":"2024-09-15T14:30:43Z","modified":"2026-06-26T10:01:07Z","updated_at":"2026-11-02T15:52:59.135214Z"}]}}