{"id":"CVE-2024-1930","aliases":["AZL-40343","AZL-66105","EUVD-2024-17652","GHSA-p6mc-xxvv-r37f"],"status":"published","title":"No Limit on Number of Open Sessions / Bad Session Close Behaviour","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00297,"percentile":0.22504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2024-05-08T01:52:54Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Azure Linux:3","package":"dnf5","fixed_in":["5.1.11-3"],"sources":["osv"]},{"ecosystem":"Azure Linux:2","package":"dnf5","fixed_in":["5.0.14-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"dnf5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.11-3"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"dnf5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.14-3"}]}]}],"products":[{"vendor":"fedora","product":"dnf5daemon-server"},{"vendor":"rpm-software-management","product":"dnf5"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2024/03/04/2","tags":["x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1930","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p6mc-xxvv-r37f"}],"sources":{"cve":[{"id":"CVE-2024-1930","title":"No Limit on Number of Open Sessions / Bad Session Close Behaviour","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T01:52:54.938Z","modified":"2024-08-01T18:56:22.475Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:34:18.259965Z"}],"euvd":[{"id":"EUVD-2024-17652","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T01:52:54Z","modified":"2024-08-01T18:56:22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:50:40.972877Z"}],"ghsa":[{"id":"GHSA-p6mc-xxvv-r37f","title":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5...","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T03:30:37Z","modified":"2024-05-08T03:30:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:57:20.289371Z"}],"nvd":[{"id":"CVE-2024-1930","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T02:15:09.503Z","modified":"2026-06-17T07:05:26.267Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:09:57.497105Z"}],"osv":[{"id":"AZL-40343","title":"CVE-2024-1930 affecting package dnf5 for versions less than 5.1.11-3","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T02:15:09Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:19.893001Z"},{"id":"AZL-66105","title":"CVE-2024-1930 affecting package dnf5 for versions less than 5.0.14-3","description":"No Limit on Number of Open Sessions / Bad Session Close Behaviour  in dnf5daemon-server before 5.1.17 allows a malicious user to impact Availability via No Limit on Number of Open Sessions.\n\nThere is no limit on how many sessions D-Bus clients may create using the `open_session()` D-Bus method. For each session a thread is created in dnf5daemon-server. This spends a couple of hundred megabytes of memory in the process. Further connections will become impossible, likely because no more threads can be spawned by the D-Bus service.\n\n","status":"published","published":"2024-05-08T02:15:09Z","modified":"2026-04-21T04:37:46.704411Z","updated_at":"2026-11-02T15:28:08.354547Z"}]}}