{"api_version":"1","generated_at":"2026-04-23T02:25:10+00:00","cve":"CVE-2026-31937","urls":{"html":"https://cve.report/CVE-2026-31937","api":"https://cve.report/api/cve/CVE-2026-31937.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31937","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31937"},"summary":{"title":"Suricata dcerpc: quadratic complexity in dcerpc buffering","description":"Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in version 7.0.15.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-04-02 15:16:37","updated_at":"2026-04-07 21:19:57"},"problem_types":["CWE-407","CWE-407 CWE-407: Inefficient Algorithmic Complexity"],"metrics":[{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"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"}}],"references":[{"url":"https://redmine.openinfosecfoundation.org/issues/8304","name":"https://redmine.openinfosecfoundation.org/issues/8304","refsource":"security-advisories@github.com","tags":["Issue Tracking"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3gg","name":"https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3gg","refsource":"security-advisories@github.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31937","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31937","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"OISF","product":"suricata","version":"affected < 7.0.15","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"31937","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"oisf","cpe5":"suricata","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"31937","cve":"CVE-2026-31937","epss":"0.000400000","percentile":"0.120670000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:36"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-31937","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-04-03T15:58:45.637894Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-04-03T15:59:28.970Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"suricata","vendor":"OISF","versions":[{"status":"affected","version":"< 7.0.15"}]}],"descriptions":[{"lang":"en","value":"Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in version 7.0.15."}],"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","description":"CWE-407: Inefficient Algorithmic Complexity","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-02T14:38:22.496Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3gg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3gg"},{"name":"https://redmine.openinfosecfoundation.org/issues/8304","tags":["x_refsource_MISC"],"url":"https://redmine.openinfosecfoundation.org/issues/8304"}],"source":{"advisory":"GHSA-86vg-w8vm-m3gg","discovery":"UNKNOWN"},"title":"Suricata dcerpc: quadratic complexity in dcerpc buffering"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-31937","datePublished":"2026-04-02T14:38:22.496Z","dateReserved":"2026-03-10T15:10:10.654Z","dateUpdated":"2026-04-03T15:59:28.970Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-02 15:16:37","lastModifiedDate":"2026-04-07 21:19:57","problem_types":["CWE-407","CWE-407 CWE-407: Inefficient Algorithmic Complexity"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.15","matchCriteriaId":"1E0D4CF4-11E0-4FB1-9C17-F38257D376ED"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31937","Ordinal":"1","Title":"Suricata dcerpc: quadratic complexity in dcerpc buffering","CVE":"CVE-2026-31937","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31937","Ordinal":"1","NoteData":"Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in version 7.0.15.","Type":"Description","Title":"Suricata dcerpc: quadratic complexity in dcerpc buffering"}]}}}