{"id":"CVE-2026-22259","aliases":["DEBIAN-CVE-2026-22259","EUVD-2026-4789","GHSA-878h-2x6v-84q9","UBUNTU-CVE-2026-22259","openSUSE-SU-2026:10082-1"],"status":"published","title":"Suricata dnp3: unbounded transaction growth","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","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":0.00616,"percentile":0.49963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-770"],"published":"2026-01-22T00:00:00Z","modified":"2026-10-28T10:50:41Z","fixes":[{"ecosystem":"Debian:13","package":"suricata","fixed_in":["1:7.0.10-1+deb13u3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"suricata","fixed_in":["1:8.0.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:7.0.10-1+deb13u3"}]}],"versions":["1:7.0.10-1","1:7.0.10-1+deb13u1","1:7.0.10-1+deb13u2"]},{"source":"osv","ecosystem":"Debian:14","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:8.0.3-1"}]}],"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~bpo13+1"]},{"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:25.10","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:7.0.8-2","1:7.0.10-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"suricata","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.3-1.1"}]}],"bundled":14}],"products":[{"vendor":"oisf","product":"suricata"}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-878h-2x6v-84q9","tags":["x_refsource_CONFIRM","Patch","Vendor Advisory","advisory","report"]},{"url":"https://github.com/OISF/suricata/commit/50cac2e2465ca211eabfa156623e585e9037bb7e","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://github.com/OISF/suricata/commit/63225d5f8ef64cc65164c0bb1800730842d54942","tags":["x_refsource_MISC","Patch","fix","report"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8181","tags":["x_refsource_MISC","Issue Tracking","Permissions Required","web","report"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22259.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22259","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-22259","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-22259","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-22259","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64330","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64331","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64332","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64333","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64334","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64335","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-64344","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22258","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22259","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22260","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22261","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22262","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22263","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-22264","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-22259","title":"Suricata dnp3: unbounded transaction growth","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:13:11.057Z","modified":"2026-01-27T18:16:55.422Z","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":"2026-11-02T13:39:16.730222Z"}],"euvd":[{"id":"EUVD-2026-4789","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:13:11Z","modified":"2026-01-27T18:16:55Z","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":"2026-11-02T19:48:46.818498Z"}],"nvd":[{"id":"CVE-2026-22259","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:16:12.407Z","modified":"2026-06-17T10:19:39.123Z","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":"2026-11-02T14:12:04.769088Z"}],"osv":[{"id":"CVE-2026-22259","title":"Suricata dnp3: unbounded transaction growth","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:13:11.057Z","modified":"2026-10-28T10:50:41.449278006Z","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":"2026-11-02T15:44:58.42038Z"},{"id":"DEBIAN-CVE-2026-22259","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:16:12.407Z","modified":"2026-10-01T03:02:57.253132744Z","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":"2026-11-02T15:45:53.097669Z"},{"id":"UBUNTU-CVE-2026-22259","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 8.0.3 and 7.0.14, specially crafted traffic can cause Suricata to consume large amounts of memory while parsing DNP3 traffic. This can lead to the process slowing down and running out of memory, potentially leading to it getting killed by the OOM killer. Versions 8.0.3 or 7.0.14 contain a patch. As a workaround, disable the DNP3 parser in the suricata yaml (disabled by default).","status":"published","published":"2026-01-27T17:16:00Z","modified":"2026-01-30T21:15:07.72894Z","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":"2026-11-02T16:56:01.334185Z"},{"id":"openSUSE-SU-2026:10082-1","title":"libsuricata8_0_3-8.0.3-1.1 on GA media","description":"These are all security issues fixed in the libsuricata8_0_3-8.0.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-22T00:00:00Z","modified":"2026-03-23T04:54:26.22943Z","updated_at":"2026-11-02T16:58:38.101535Z"}]}}