{"id":"CVE-2026-73199","aliases":["DEBIAN-CVE-2026-73199","EUVD-2026-63246","GHSA-mjqg-mjqw-9xv8","UBUNTU-CVE-2026-73199"],"status":"published","title":"Ipa: freeipa: null pointer dereference in `ipa-enrollment` extended operation (`join_oid`) via missing request value","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00354,"percentile":0.293,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-08-20T10:39:13Z","modified":"2026-11-07T11:00:09Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.10.1+dfsg1-1+exp1","4.10.1-1+exp1","4.10.2-1","4.10.2-2","4.10.2-2+exp1","4.11.1-1","4.11.1-1+exp1","4.11.1-2","4.11.1-2+exp1","4.11.1-2.1","4.12.2-1","4.12.2-2","4.12.2-3","4.12.4-1","4.12.4-2","4.13.1-1","4.9.11-1","4.9.11-1+exp1","4.9.11-2"]},{"source":"osv","ecosystem":"Debian:13","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.4-1","4.12.4-2","4.13.1-1"]},{"source":"osv","ecosystem":"Debian:14","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.4-1","4.12.4-2","4.13.1-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.1-0ubuntu1","3.3.4-0ubuntu1","3.3.4-0ubuntu2","3.3.4-0ubuntu3","3.3.4-0ubuntu3.1","3.3.4-0ubuntu3.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.4-1","4.3.1-0ubuntu1","4.3.1-0ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.4-3ubuntu1","4.4.4-4","4.7.0~pre1+git20180411-2ubuntu1","4.7.0~pre1+git20180411-2ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-2ubuntu1","4.8.3-1","4.8.6-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.6-1ubuntu6","4.8.6-1ubuntu8","4.8.6-1ubuntu9","4.9.8-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.10.2-1","4.10.2-2","4.10.2-2ubuntu3","4.11.1-1","4.11.1-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.13.1-1","4.13.1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"freeipa","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.4-1","4.12.4-2","4.13.1-1"]}],"products":[{"vendor":"red hat","product":"red hat enterprise linux 10"},{"vendor":"red hat","product":"red hat enterprise linux 6"},{"vendor":"red hat","product":"red hat enterprise linux 7"},{"vendor":"red hat","product":"red hat enterprise linux 8"},{"vendor":"red hat","product":"red hat enterprise linux 9"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-73199","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2471741","tags":["issue-tracking","x_refsource_REDHAT","exploit","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73199"},{"url":"https://github.com/advisories/GHSA-mjqg-mjqw-9xv8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-73199","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-73199","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73199","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-73199","title":"Ipa: freeipa: null pointer dereference in `ipa-enrollment` extended operation (`join_oid`) via missing request value","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T10:39:13.688Z","modified":"2026-11-05T22:41:32.133Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-05T23:55:29.66083Z"}],"euvd":[{"id":"EUVD-2026-63246","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T10:39:13Z","modified":"2026-11-05T22:41:32Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-06T00:02:32.983223Z"}],"ghsa":[{"id":"GHSA-mjqg-mjqw-9xv8","title":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit...","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T12:31:22Z","modified":"2026-08-20T12:31:23Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:10:45.95343Z"}],"nvd":[{"id":"CVE-2026-73199","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T11:16:21.813Z","modified":"2026-11-05T23:17:00.187Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-06T01:57:39.734161Z"}],"osv":[{"id":"DEBIAN-CVE-2026-73199","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T11:16:21.813Z","modified":"2026-11-07T11:00:09.52112141Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T11:15:14.449016Z"},{"id":"UBUNTU-CVE-2026-73199","description":"A flaw was found in the `ipa-enrollment` SLAPI plugin. A remote authenticated client can exploit a null pointer dereference vulnerability by sending a malformed Lightweight Directory Access Protocol (LDAP) extended operation. By omitting the request value for the `JOIN_OID` in the `ipa-enrollment` extended operation, an attacker can trigger a server crash, potentially causing a denial of service.","status":"published","published":"2026-08-20T11:16:00Z","modified":"2026-10-17T13:01:00.246305998Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:57:08.628462Z"}]}}