{"id":"CVE-2025-29917","summary":"Suricata decode_base64: signature can do large memory allocation","details":"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.","aliases":["GHSA-x8c9-8553-j9px"],"modified":"2026-04-12T04:27:55.184261Z","published":"2025-04-10T21:00:05.924Z","related":["openSUSE-SU-2025:15394-1"],"database_specific":{"cwe_ids":["CWE-770"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29917.json"},"references":[{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/7613"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29917.json"},{"type":"ADVISORY","url":"https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29917"},{"type":"FIX","url":"https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/oisf/suricata","events":[{"introduced":"0"},{"fixed":"76729e42663da010d6fcc4d13d38215344853a23"}]}],"versions":["suricata-0.8.2","suricata-1.0.0","suricata-1.0.1","suricata-1.0.2","suricata-1.1","suricata-1.1beta1","suricata-1.1beta2","suricata-1.1beta3","suricata-1.1rc1","suricata-1.2","suricata-1.2.1","suricata-1.2beta1","suricata-1.2rc1","suricata-1.3","suricata-1.3.1","suricata-1.3beta1","suricata-1.3beta2","suricata-1.3rc1","suricata-1.4","suricata-1.4beta1","suricata-1.4beta2","suricata-1.4beta3","suricata-1.4rc1","suricata-2.0","suricata-2.0.1","suricata-2.0.1rc1","suricata-2.0.2","suricata-2.0beta1","suricata-2.0beta2","suricata-2.0rc1","suricata-2.0rc2","suricata-2.0rc3","suricata-2.1beta1","suricata-2.1beta2","suricata-2.1beta3","suricata-2.1beta4","suricata-3.0","suricata-3.0.1","suricata-3.0.1RC1","suricata-3.0RC1","suricata-3.0RC2","suricata-3.0RC3","suricata-3.1","suricata-3.1.1","suricata-3.1.2","suricata-3.1RC1","suricata-3.2","suricata-3.2.1","suricata-3.2RC1","suricata-3.2beta1","suricata-4.0.0","suricata-4.0.0-beta1","suricata-4.0.0-rc1","suricata-4.0.0-rc2","suricata-4.0.1","suricata-4.1.0","suricata-4.1.0-beta1","suricata-4.1.0-rc1","suricata-4.1.0-rc2","suricata-4.1.1","suricata-4.1.2","suricata-5.0.0","suricata-5.0.0-beta1","suricata-5.0.0-rc1","suricata-5.0.1","suricata-6.0.0","suricata-6.0.0-beta1","suricata-6.0.0-rc1","suricata-6.0.1","suricata-7.0.0","suricata-7.0.0-beta1","suricata-7.0.0-rc1","suricata-7.0.0-rc2","suricata-7.0.1","suricata-7.0.2","suricata-7.0.3","suricata-7.0.4","suricata-7.0.5","suricata-7.0.6","suricata-7.0.7","suricata-7.0.8"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-29917.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}