{"id":"CVE-2005-1174","aliases":["DEBIAN-CVE-2005-1174","DSA-757-1","EUVD-2005-1177","GHSA-33qx-rqvh-638r","RHSA-2005:567"],"status":"published","title":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to...","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","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":"2026-11-08","score":0.05221,"percentile":0.92565,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2005-07-16T04:00:00Z","modified":"2026-10-23T03:47:30Z","fixes":[{"ecosystem":"Debian:12","package":"krb5","fixed_in":["1.3.6-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"krb5","fixed_in":["1.3.6-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"krb5","fixed_in":["1.3.6-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-4"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-5woody10"}]}],"versions":["1.2.4-5woody6","1.2.4-5woody7","1.2.4-5woody8"],"bundled":3},{"source":"osv","ecosystem":"Debian:3.1","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.6-2sarge2"}]}],"versions":["1.3.6-2","1.3.6-2sarge1"],"bundled":3},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.3.4-17"}]}],"bundled":4}],"products":[{"vendor":"mit","product":"kerberos_5"}],"references":[{"url":"http://secunia.com/advisories/20364","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2005-567.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://www.novell.com/linux/security/advisories/2005_17_sr.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/21327","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.kb.cert.org/vuls/id/259798","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","Third Party Advisory","US Government Resource","advisory","fix","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=112122123211974\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://securitytracker.com/id?1014460","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2006/2074","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A397","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://sunsolve.sun.com/search/document.do?assetkey=1-26-101809-1","tags":["vendor-advisory","x_refsource_SUNALERT","x_transferred","web"]},{"url":"http://web.mit.edu/kerberos/advisories/2005-002-patch_1.4.1.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.turbolinux.com/security/2005/TLSA-2005-78.txt","tags":["vendor-advisory","x_refsource_TURBO","x_transferred","web"]},{"url":"http://www-1.ibm.com/support/docview.wss?uid=swg1IY85474","tags":["vendor-advisory","x_refsource_AIXAPAR","x_transferred","web"]},{"url":"ftp://patches.sgi.com/support/free/security/advisories/20050703-01-U.asc","tags":["vendor-advisory","x_refsource_SGI","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/14240","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://secunia.com/advisories/16041","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://usn.ubuntu.com/224-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://www.debian.org/security/2005/dsa-757","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10229","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://secunia.com/advisories/17899","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2005/1066","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html","tags":["vendor-advisory","x_refsource_APPLE","x_transferred","web"]},{"url":"http://www.trustix.org/errata/2005/0036","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-1174","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-33qx-rqvh-638r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-1174","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2005:567","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=157103","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=159304","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=159756","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=161471","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=161611","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2005/rhsa-2005_567.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2004-0175","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617166","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2004-0175","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0175","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2005-1174","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617613","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2005-1174","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2005-1175","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617614","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2005-1175","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-1175","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2005-1689","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1617659","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2005-1689","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-1689","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-1174","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2005-07-16T04:00:00Z","modified":"2024-08-07T21:44:05.407Z","updated_at":"2026-11-02T14:33:39.586409Z"}],"euvd":[{"id":"EUVD-2005-1177","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2005-07-16T04:00:00Z","modified":"2024-08-07T21:44:05Z","updated_at":"2026-11-03T01:15:35.001625Z"}],"ghsa":[{"id":"GHSA-33qx-rqvh-638r","title":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to...","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2022-05-03T03:14:08Z","modified":"2023-02-01T05:01:10Z","updated_at":"2026-11-02T14:49:41.113902Z"}],"nvd":[{"id":"CVE-2005-1174","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2005-07-18T04:00:00Z","modified":"2026-06-16T22:12:35.157Z","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":"2026-11-02T14:00:56.147496Z"}],"osv":[{"id":"CVE-2005-1174","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2005-07-18T04:00:00Z","modified":"2026-04-10T03:37:04.423724Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2005-1174","description":"MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.","status":"published","published":"2005-07-18T04:00:00Z","modified":"2026-10-23T03:47:30.895403459Z","updated_at":"2026-11-02T15:45:22.831407Z"},{"id":"DSA-757-1","title":"krb5 - buffer overflow, double-free memory","status":"published","published":"2005-07-17T00:00:00Z","modified":"2026-03-09T02:09:44.358835Z","updated_at":"2026-11-02T15:46:18.296714Z"},{"id":"RHSA-2005:567","title":"Red Hat Security Advisory: krb5 security update","status":"published","published":"2024-08-18T09:32:26Z","modified":"2026-06-26T10:03:26Z","updated_at":"2026-11-02T15:52:59.135214Z"}]}}
