{"id":"CVE-2026-57227","aliases":["DEBIAN-CVE-2026-57227","EUVD-2026-83388","GHSA-7h2h-hpj2-9w6p","MGASA-2026-0579","UBUNTU-CVE-2026-57227","openSUSE-SU-2026:11308-1"],"status":"published","title":"Suricata mqtt: unbounded resource consumption from repeated pubrec and pubrel messages","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.007,"percentile":0.53602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-07-18T00:00:00Z","modified":"2026-11-07T04:45:03Z","fixes":[{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:8.0.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:7.0.10-1+deb13u1","1:7.0.10-1+deb13u2","1:7.0.10-1+deb13u3","1:7.0.10-1+deb13u4","1:7.0.11-1","1:7.0.11-1~bpo13+1","1:8.0.0-1~exp1","1:8.0.0-1~exp2","1:8.0.0-1~exp4","1:8.0.0-1~exp5","1:8.0.1-1","1:8.0.1-2","1:8.0.1-3","1:8.0.1-3~bpo13+1","1:8.0.2-1","1:8.0.2-1~bpo13+1","1:8.0.3-1","1:8.0.3-1~bpo13+1","1:8.0.3-2~exp1","1:8.0.4-1","1:8.0.4-1~bpo13+1","1:8.0.5-1","1:8.0.5-1~bpo13+1","1:8.0.6-1","1:8.0.6-1~bpo13+1","1:8.0.7-1","1:8.0.7-1~bpo13+1","1:8.0.7-2~exp1"]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.0.6-1"}]}],"versions":["1:7.0.10-1","1:7.0.11-1","1:7.0.11-1~bpo13+1","1:8.0.0-1~exp1","1:8.0.0-1~exp2","1:8.0.0-1~exp4","1:8.0.0-1~exp5","1:8.0.1-1","1:8.0.1-2","1:8.0.1-3","1:8.0.1-3~bpo13+1","1:8.0.2-1","1:8.0.2-1~bpo13+1","1:8.0.3-1","1:8.0.3-1~bpo13+1","1:8.0.3-2~exp1","1:8.0.4-1","1:8.0.4-1~bpo13+1","1:8.0.5-1","1:8.0.5-1~bpo13+1","1:8.0.6-1~bpo13+1"]},{"source":"osv","ecosystem":"Mageia:10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.8-1.mga10"}]}],"bundled":4},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.8-1build1","2.0.9-1","2.0.10-1","2.0.10-2","2.0.11-1","3.0-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2-2ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:6.0.4-2","1:6.0.4-3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.0-2","1:7.0.2-1","1:7.0.2-1build1","1:7.0.3-1build1","1:7.0.3-1build3"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.10-1","1:8.0.1-3build1","1:8.0.2-1","1:8.0.2-1build1","1:8.0.3-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.6-1.1"}]}],"bundled":5}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-7h2h-hpj2-9w6p","tags":["x_refsource_CONFIRM","Mitigation","Vendor Advisory","advisory","report"]},{"url":"https://github.com/OISF/suricata/commit/03ba8a71d827dd36a0ceb512f45d2f440f260a3a","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/OISF/suricata/commit/5cde93dea38533c9b225128ba9d54955997dc273","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/commit/c03666d261256df5a2d1f5800872da8a5addf6a5","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-7.0.17","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://github.com/OISF/suricata/releases/tag/suricata-8.0.6","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8525","tags":["x_refsource_MISC","Permissions Required","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57227.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57227","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-57227","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0579.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35986","tags":["report"]},{"url":"https://suricata.io/our-story/eol-policy/","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-8-0-8-released/6548","tags":["web"]},{"url":"https://forum.suricata.io/t/suricata-8-0-7-released/6467","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-57227","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-57227","tags":["report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8672","tags":["report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8653","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-57222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-57224","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-57227","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-57228","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-57229","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-57227","title":"Suricata mqtt: unbounded resource consumption from repeated pubrec and pubrel messages","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T20:14:55.843Z","modified":"2026-09-22T15:47:38.925Z","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":"cna"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T13:43:44.898272Z"}],"euvd":[{"id":"EUVD-2026-83388","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T20:14:55Z","modified":"2026-09-22T15:47:38Z","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":"2026-11-02T17:28:02.601428Z"}],"nvd":[{"id":"CVE-2026-57227","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T21:17:01.217Z","modified":"2026-09-29T12:48:01.487Z","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":"secondary"}],"cwes":["CWE-400","CWE-770"],"updated_at":"2026-11-02T14:12:50.043898Z"}],"osv":[{"id":"CVE-2026-57227","title":"Suricata mqtt: unbounded resource consumption from repeated pubrec and pubrel messages","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T20:14:55.843Z","modified":"2026-11-11T10:30:27.02487704Z","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-400","CWE-770"],"updated_at":"2026-11-11T11:06:49.115908Z"},{"id":"DEBIAN-CVE-2026-57227","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T21:17:01.217Z","modified":"2026-09-30T08:47:26.12571446Z","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":"2026-11-02T15:45:57.590991Z"},{"id":"UBUNTU-CVE-2026-57227","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 7.0.0 until 7.0.17 and 8.0.6, the MQTT parser in rust/src/mqtt/mqtt.rs permits repeated PUBREC or PUBREL messages to be appended to one transaction without a limit. Crafted MQTT traffic can grow transaction state indefinitely, consuming CPU and memory and causing slowdown or denial of service. This issue is fixed in versions 8.0.6 and 7.0.17.","status":"published","published":"2026-09-18T21:17:00Z","modified":"2026-09-24T02:00:34.062547124Z","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":"2026-11-02T16:56:41.911783Z"},{"id":"MGASA-2026-0579","title":"Updated suricata package fixes security vulnerabilities","description":"This new suricata version fixes several security vulnerabilities,\n","status":"published","published":"2026-11-07T04:34:18Z","modified":"2026-11-07T04:45:03.362463753Z","updated_at":"2026-11-07T05:09:09.270904Z"},{"id":"openSUSE-SU-2026:11308-1","title":"libsuricata8_0_6-8.0.6-1.1 on GA media","description":"These are all security issues fixed in the libsuricata8_0_6-8.0.6-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-07-18T00:00:00Z","modified":"2026-07-19T13:15:06.593507959Z","updated_at":"2026-11-02T16:58:38.95195Z"}]}}