{"id":"CVE-2022-3116","aliases":["AZL-43894","AZL-45258","EUVD-2022-42543","GHSA-c662-3p6q-p5c7","MGASA-2022-0395","UBUNTU-CVE-2022-3116","USN-5675-1"],"status":"published","title":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An...","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00892,"percentile":0.59694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2022-10-07T00:00:00Z","modified":"2026-10-28T02:31:14Z","fixes":[{"ecosystem":"Azure Linux:3","package":"samba","fixed_in":["4.18.3-1"],"sources":["osv"]},{"ecosystem":"Mageia:8","package":"heimdal","fixed_in":["7.7.0-5.2.mga8"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"heimdal","fixed_in":["1.6~git20131207+dfsg-1ubuntu1.2+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"heimdal","fixed_in":["1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"heimdal","fixed_in":["7.5.0+dfsg-1ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"heimdal","fixed_in":["7.7.0+dfsg-1ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"samba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.12.5-7"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"samba","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.3-1"}]}]},{"source":"osv","ecosystem":"Mageia:8","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.0-5.2.mga8"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6~git20131207+dfsg-1ubuntu1.2+esm1"}]}],"versions":["1.6~git20120403+dfsg1-3ubuntu0.1","1.6~git20120403+dfsg1-3ubuntu0.2","1.6~git20131207+dfsg-1ubuntu1","1.6~git20131207+dfsg-1ubuntu1.1","1.6~git20131207+dfsg-1ubuntu1.2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"}]}],"versions":["1.6~rc2+dfsg-10ubuntu1","1.7~git20150920+dfsg-4ubuntu1","1.7~git20150920+dfsg-4ubuntu1.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.0+dfsg-1ubuntu0.1"}]}],"versions":["7.4.0.dfsg.1-2","7.5.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.0+dfsg-1ubuntu1.1"}]}],"versions":["7.5.0+dfsg-3build1","7.7.0+dfsg-1","7.7.0+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.7.0+dfsg-2ubuntu2","7.7.0+dfsg-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.8.git20221117.28daf24+dfsg-3ubuntu1","7.8.git20221117.28daf24+dfsg-3ubuntu2","7.8.git20221117.28daf24+dfsg-3ubuntu3","7.8.git20221117.28daf24+dfsg-3ubuntu4","7.8.git20221117.28daf24+dfsg-4ubuntu1","7.8.git20221117.28daf24+dfsg-5ubuntu2","7.8.git20221117.28daf24+dfsg-5ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.8.git20221117.28daf24+dfsg-9ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.8.git20221117.28daf24+dfsg-11ubuntu1","7.8.git20221117.28daf24+dfsg-12ubuntu1","7.8.git20240113.1b4565a+dfsg-1ubuntu1","7.8.git20240113.1b4565a+dfsg-1ubuntu2","7.8.git20240113.1b4565a+dfsg-2ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.8.git20221117.28daf24+dfsg-9ubuntu1","7.8.git20221117.28daf24+dfsg-10ubuntu1","7.8.git20221117.28daf24+dfsg-11ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6~git20131207+dfsg-1ubuntu1.2+esm1"}]}],"versions":["1.6~git20120403+dfsg1-3ubuntu0.1","1.6~git20120403+dfsg1-3ubuntu0.2","1.6~git20131207+dfsg-1ubuntu1","1.6~git20131207+dfsg-1ubuntu1.1","1.6~git20131207+dfsg-1ubuntu1.2"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm1"}]}],"versions":["1.6~rc2+dfsg-10ubuntu1","1.7~git20150920+dfsg-4ubuntu1","1.7~git20150920+dfsg-4ubuntu1.16.04.1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.5.0+dfsg-1ubuntu0.1"}]}],"versions":["7.4.0.dfsg.1-2","7.5.0+dfsg-1"],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"heimdal","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.0+dfsg-1ubuntu1.1"}]}],"versions":["7.5.0+dfsg-3build1","7.7.0+dfsg-1","7.7.0+dfsg-1ubuntu1"],"bundled":4}],"products":[{"vendor":"heimdal_project","product":"heimdal"}],"references":[{"url":"https://www.kb.cert.org/vuls/id/730793","tags":["x_transferred","Third Party Advisory","US Government Resource","web"]},{"url":"https://security.netapp.com/advisory/ntap-20230505-0010/","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3116","tags":["web","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230505-0010"},{"url":"https://github.com/advisories/GHSA-c662-3p6q-p5c7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3116.json","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0395.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=30962","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-5675-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-3116","tags":["report"]},{"url":"https://kb.cert.org/vuls/id/730793","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-3116","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-16860","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-12098","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-3671","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-3116","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T00:00:00Z","modified":"2025-02-24T19:11:43.894Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:33.24035Z"}],"euvd":[{"id":"EUVD-2022-42543","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T00:00:00Z","modified":"2025-02-24T19:11:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:53:25.075327Z"}],"ghsa":[{"id":"GHSA-c662-3p6q-p5c7","title":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An...","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-28T00:34:28Z","modified":"2025-02-24T21:32:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:00:02.356908Z"}],"nvd":[{"id":"CVE-2022-3116","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T22:15:11.987Z","modified":"2026-06-17T04:58:53.753Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:37.020555Z"}],"osv":[{"id":"AZL-43894","title":"CVE-2022-3116 affecting package samba 4.12.5-7","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T22:15:11Z","modified":"2026-04-21T04:31:12.54545Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:05.284713Z"},{"id":"AZL-45258","title":"CVE-2022-3116 affecting package samba for versions less than 4.18.3-1","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T22:15:11Z","modified":"2026-04-21T04:50:21.05868Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:05.694722Z"},{"id":"CVE-2022-3116","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2023-03-27T00:00:00Z","modified":"2026-10-28T02:31:14.505195243Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:44:25.516981Z"},{"id":"UBUNTU-CVE-2022-3116","description":"The Heimdal Software Kerberos 5 implementation is vulnerable to a null pointer dereferance. An attacker with network access to an application that depends on the vulnerable code path can cause the application to crash.","status":"published","published":"2022-10-07T00:00:00Z","modified":"2026-10-17T12:56:21.818010707Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:53.899276Z"},{"id":"MGASA-2022-0395","title":"Updated heimdal packages fix security vulnerability","description":"Heimdal was not properly handling logical conditions that related to\nmemory management operations. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2022-3116)\n","status":"published","published":"2022-10-28T06:54:08Z","modified":"2026-04-16T04:42:36.939907472Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"USN-5675-1","title":"heimdal vulnerabilities","description":"Isaac Boukris and Andrew Bartlett discovered that Heimdal's KDC was\nnot properly performing checksum algorithm verifications in the\nS4U2Self extension module. An attacker could possibly use this issue\nto perform a machine-in-the-middle attack and request S4U2Self\ntickets for any user known by the application. This issue only\naffected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 LTS.\n(CVE-2018-16860)\n\nIt was discovered that Heimdal was not properly handling the\nverification of key exchanges when an anonymous PKINIT was being\nused. An attacker could possibly use this issue to perform a\nmachine-in-the-middle attack and expose sensitive information.\nThis issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 18.04 LTS. (CVE-2019-12098)\n\nJoseph Sutton discovered that Heimdal was not properly handling\nmemory management operations when dealing with TGS-REQ tickets that\nwere missing information. An attacker could possibly use this issue\nto cause a denial of service. (CVE-2021-3671)\n\nMichał Kępień discovered that Heimdal was not properly handling\nlogical conditions that related to memory management operations. An\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2022-3116)\n","status":"published","published":"2022-10-13T18:39:02Z","modified":"2026-06-29T13:48:24.901222427Z","updated_at":"2026-11-02T16:58:16.20937Z"}]}}