{"id":"CVE-2025-29917","state":"PUBLISHED","title":"Suricata decode_base64: signature can do large memory allocation","description":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.","publishedAt":"2025-04-10T21:00:05.924Z","updatedAt":"2025-04-11T16:03:53.438Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/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":"< 7.0.9","status":"affected"}]}],"references":["https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px","https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0","https://redmine.openinfosecfoundation.org/issues/7613"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/29xxx/CVE-2025-29917.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-29917","state":"PUBLISHED","datePublished":"2025-04-10T21:00:05.924Z","dateUpdated":"2025-04-11T16:03:53.438Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-03-12T13:42:22.135Z"},"containers":{"cna":{"title":"Suricata decode_base64: signature can do large memory allocation","descriptions":[{"lang":"en","value":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9."}],"affected":[{"vendor":"OISF","product":"suricata","versions":[{"version":"< 7.0.9","status":"affected"}]}],"references":[{"url":"https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px","name":"https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0","name":"https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0","tags":["x_refsource_MISC"]},{"url":"https://redmine.openinfosecfoundation.org/issues/7613","name":"https://redmine.openinfosecfoundation.org/issues/7613","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"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":"2025-04-10T21:00:05.924Z"},"source":{"advisory":"GHSA-x8c9-8553-j9px","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-11T15:56:27.328359Z","id":"CVE-2025-29917","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-11T16:03:53.438Z"}}]}}}