{"id":"CVE-2026-31935","state":"PUBLISHED","title":"Suricata http2: unbounded resource consumption","description":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.","publishedAt":"2026-04-02T14:36:44.186Z","updatedAt":"2026-04-02T18:42:31.423Z","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":"< 7.0.15","status":"affected"},{"version":">= 8.0.0, < 8.0.4","status":"affected"}]}],"references":["https://github.com/OISF/suricata/security/advisories/GHSA-vxrp-5pg7-7v4x","https://redmine.openinfosecfoundation.org/issues/8289"],"weaknesses":["CWE-400","CWE-770"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31935.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31935","state":"PUBLISHED","datePublished":"2026-04-02T14:36:44.186Z","dateUpdated":"2026-04-02T18:42:31.423Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-10T15:10:10.654Z"},"containers":{"cna":{"title":"Suricata http2: unbounded resource consumption","descriptions":[{"lang":"en","value":"Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4."}],"affected":[{"vendor":"OISF","product":"suricata","versions":[{"version":"< 7.0.15","status":"affected"},{"version":">= 8.0.0, < 8.0.4","status":"affected"}]}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-vxrp-5pg7-7v4x","name":"https://github.com/OISF/suricata/security/advisories/GHSA-vxrp-5pg7-7v4x","tags":["x_refsource_CONFIRM"]},{"url":"https://redmine.openinfosecfoundation.org/issues/8289","name":"https://redmine.openinfosecfoundation.org/issues/8289","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-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-02T14:36:44.186Z"},"source":{"advisory":"GHSA-vxrp-5pg7-7v4x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-02T18:42:22.298340Z","id":"CVE-2026-31935","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":"2026-04-02T18:42:31.423Z"}}]}}}