{"id":"CVE-2026-31934","state":"PUBLISHED","title":"Suricata smtp/mine: quadratic complexity in extracting urls","description":"Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4.","publishedAt":"2026-04-02T14:21:08.207Z","updatedAt":"2026-04-02T15:00:49.250Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["OISF suricata"],"affected":[{"vendor":"OISF","product":"suricata","versions":[{"version":">= 8.0.0, < 8.0.4","status":"affected"}]}],"references":["https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8","https://redmine.openinfosecfoundation.org/issues/8292"],"weaknesses":["CWE-407"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31934.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31934","state":"PUBLISHED","datePublished":"2026-04-02T14:21:08.207Z","dateUpdated":"2026-04-02T15:00:49.250Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-10T15:10:10.654Z"},"containers":{"cna":{"title":"Suricata smtp/mine: quadratic complexity in extracting urls","descriptions":[{"lang":"en","value":"Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4."}],"affected":[{"vendor":"OISF","product":"suricata","versions":[{"version":">= 8.0.0, < 8.0.4","status":"affected"}]}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8","name":"https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8","tags":["x_refsource_CONFIRM"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8292","name":"https://redmine.openinfosecfoundation.org/issues/8292","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-407","lang":"en","description":"CWE-407: Inefficient Algorithmic Complexity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-02T14:21:08.207Z"},"source":{"advisory":"GHSA-hr89-h2pp-f3c8","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T15:00:40.229823Z","id":"CVE-2026-31934","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-02T15:00:49.250Z"}}]}}}