{"id":"CVE-2023-3592","aliases":["ALPINE-CVE-2023-3592","BELL-CVE-2023-3592","DEBIAN-CVE-2023-3592","DSA-5511-1","EUVD-2023-44242","GHSA-p7q8-377q-px25","OESA-2023-1772","OESA-2023-1773","OESA-2023-1774","OESA-2024-1022","OESA-2024-1026","OESA-2024-1028","RHSA-2024:0797","RHSA-2024:1061","UBUNTU-CVE-2023-3592","USN-6492-1","openSUSE-SU-2024:13546-1"],"status":"published","title":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will...","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property 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Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T19:01:54.842Z","modified":"2025-02-13T16:55:55.699Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:35:24.360381Z"}],"euvd":[{"id":"EUVD-2023-44242","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T19:01:54Z","modified":"2025-02-13T16:55:55Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:03:50.021705Z"}],"ghsa":[{"id":"GHSA-p7q8-377q-px25","title":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will...","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T21:30:17Z","modified":"2025-02-13T18:32:57Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:59:55.900946Z"}],"nvd":[{"id":"CVE-2023-3592","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T20:15:10.123Z","modified":"2026-06-17T06:14:25.353Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"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"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:08:35.022405Z"}],"osv":[{"id":"ALPINE-CVE-2023-3592","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T20:15:10.123Z","modified":"2026-10-26T17:17:58.627878681Z","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":"2026-11-02T15:27:49.709457Z"},{"id":"BELL-CVE-2023-3592","title":"CVE-2023-3592 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:13:26.333919Z","modified":"2026-01-26T09:47:25.127934Z","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":"2026-11-02T15:28:17.742221Z"},{"id":"CVE-2023-3592","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T19:01:54.842Z","modified":"2026-10-28T02:30:33.609487307Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"DEBIAN-CVE-2023-3592","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T20:15:10.123Z","modified":"2026-10-26T18:01:26.204408815Z","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":"2026-11-02T15:45:39.980321Z"},{"id":"OESA-2023-1772","title":"mosquitto security update","description":"Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for \u0026quot;machine to machine\u0026quot; messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.\r\n\r\nSecurity Fix(es):\r\n\r\nIn Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.\n(CVE-2023-3592)\r\n\r\nIn Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6\r\n\r\n\n(CVE-2023-5632)","status":"published","published":"2023-10-28T11:06:13Z","modified":"2026-08-18T01:17:55.618523459Z","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":"2026-11-02T15:52:40.328856Z"},{"id":"OESA-2023-1773","title":"mosquitto security update","description":"Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. 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This makes it suitable for \u0026quot;machine to machine\u0026quot; messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.\r\n\r\nSecurity Fix(es):\r\n\r\nIn Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.\n(CVE-2023-3592)","status":"published","published":"2024-01-05T11:06:28Z","modified":"2026-08-18T01:18:12.254137313Z","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":"2026-11-02T15:52:40.71472Z"},{"id":"OESA-2024-1026","title":"mosquitto security update","description":"Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for \u0026quot;machine to machine\u0026quot; messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.\r\n\r\nSecurity Fix(es):\r\n\r\nIn Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.\n(CVE-2023-3592)","status":"published","published":"2024-01-05T11:06:28Z","modified":"2026-08-18T01:18:12.247307131Z","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":"2026-11-02T15:52:40.71472Z"},{"id":"OESA-2024-1028","title":"mosquitto security update","description":"Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for \u0026quot;machine to machine\u0026quot; messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.\r\n\r\nSecurity Fix(es):\r\n\r\nIn Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.\n(CVE-2023-3592)","status":"published","published":"2024-01-05T11:06:28Z","modified":"2026-08-18T01:18:12.202460733Z","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":"2026-11-02T15:52:40.71472Z"},{"id":"RHSA-2024:0797","title":"Red Hat Security Advisory: Satellite 6.14.2 Async Security Update","status":"published","published":"2024-09-30T07:12:50Z","modified":"2026-10-15T10:06:58Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:12.270484Z"},{"id":"RHSA-2024:1061","title":"Red Hat Security Advisory: Red Hat Satellite 6 security and bug fix update","status":"published","published":"2024-09-16T17:34:41Z","modified":"2026-06-26T12:22:22.133003512Z","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":"2026-11-02T15:53:12.787505Z"},{"id":"UBUNTU-CVE-2023-3592","description":"In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.","status":"published","published":"2023-10-02T20:15:00Z","modified":"2026-04-22T14:08:45.445322Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"},{"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":"2026-11-02T16:54:21.882004Z"},{"id":"DSA-5511-1","title":"mosquitto - security update","status":"published","published":"2023-10-01T00:00:00Z","modified":"2026-03-09T02:10:31.291593Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"openSUSE-SU-2024:13546-1","title":"libmosquitto1-2.0.18-1.1 on GA media","description":"These are all security issues fixed in the libmosquitto1-2.0.18-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:09:01.63401Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"USN-6492-1","title":"mosquitto vulnerabilities","description":"Kathrin Kleinhammer discovered that Mosquitto incorrectly handled certain\ninputs. If a user or an automated system were provided with a specially crafted\ninput, a remote attacker could possibly use this issue to cause a denial of\nservice. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-34431)\n\nZhanxiang Song discovered that Mosquitto incorrectly handled certain inputs. If\na user or an automated system were provided with a specially crafted input, a\nremote attacker could possibly use this issue to cause an authorisation bypass.\nThis issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2021-34434)\n\nZhanxiang Song, Bin Yuan, DeQing Zou, and Hai Jin discovered that Mosquitto\nincorrectly handled certain inputs. If a user or an automated system were\nprovided with a specially crafted input, a remote attacker could possibly use\nthis issue to cause a denial of service. This issue only affected Ubuntu 20.04\nLTS and Ubuntu 22.04 LTS. (CVE-2021-41039)\n\nZhengjie Du discovered that Mosquitto incorrectly handled certain inputs. If a\nuser or an automated system were provided with a specially crafted input file,\na remote attacker could possibly use this issue to cause a denial of service.\n(CVE-2023-0809)\n\nIt was discovered that Mosquitto incorrectly handled certain inputs. If a user\nor an automated system were provided with a specially crafted input, a remote\nattacker could possibly use this issue to cause a denial of service.\n(CVE-2023-3592)\n\nMischa Bachmann discovered that Mosquitto incorrectly handled certain inputs.\nIf a user or an automated system were provided with a specially crafted input,\na remote attacker could possibly use this issue to cause a denial of service.\nThis issue was only fixed in Ubuntu 22.04 LTS and Ubuntu 23.04.\n(CVE-2023-28366)\n","status":"published","published":"2023-11-21T15:23:51Z","modified":"2026-04-22T10:41:36.101799Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}