{"id":"CVE-2024-32664","summary":"Suricata's base64 contains an out of bounds write","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, specially crafted traffic or datasets can cause a limited buffer overflow. This vulnerability is fixed in 7.0.5 and 6.0.19. Workarounds include not use rules with `base64_decode` keyword with `bytes` option with value 1, 2 or 5 and for 7.0.x, setting `app-layer.protocols.smtp.mime.body-md5` to false.","aliases":["GHSA-79vh-hpwq-3jh7"],"modified":"2026-08-12T15:15:14.398566Z","published":"2024-05-07T14:57:01.967Z","related":["openSUSE-SU-2025:15394-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-120","CWE-122"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32664.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/32xxx/CVE-2024-32664.json"},{"type":"ADVISORY","url":"https://github.com/OISF/suricata/security/advisories/GHSA-79vh-hpwq-3jh7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-32664"},{"type":"FIX","url":"https://github.com/OISF/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379"},{"type":"FIX","url":"https://github.com/OISF/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/oisf/suricata","events":[{"introduced":"5219691f45ab6c6fb3c3970550dd670c73dbcfa6"},{"fixed":"d5f5ca0ec103f1d7242bdcb967ac61d833e849b1"},{"introduced":"21ec99aa76cc5406007ce12a4891f2eaedb02291"},{"fixed":"c4cf7b09f043be5cdd6a38d7030290498b4dfa5b"},{"fixed":"311002baf288a225f62cf18a90c5fdd294447379"},{"fixed":"d5ffecf11ad2c6fe89265e518f5d7443caf26ba4"}],"database_specific":{"cpe":"cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.0.0"},{"fixed":"6.0.19"},{"introduced":"7.0.0"},{"fixed":"7.0.5"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["suricata-6.0.18","suricata-6.0.17","suricata-7.0.4","suricata-6.0.16","suricata-7.0.3","suricata-6.0.15","suricata-7.0.2","suricata-7.0.1","suricata-6.0.14","suricata-7.0.0","suricata-6.0.13","suricata-6.0.12","suricata-6.0.11","suricata-6.0.10","suricata-6.0.9","suricata-6.0.8","suricata-6.0.7","suricata-6.0.6","suricata-6.0.5","suricata-6.0.4","suricata-6.0.3","suricata-6.0.2","suricata-6.0.1","suricata-6.0.0"],"database_specific":{"vanir_signatures":[{"signature_type":"Line","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4","target":{"file":"src/util-base64.c"},"deprecated":false,"digest":{"line_hashes":["46679933959011915951402130356142014458","152686793277762586364556378538153723005","24712848685648214478961238615451827358","299308388501023117808097698127344830766","308754288649312340994858895020941377081","254300812950586756234475076883955935037","241421372473962255925250380684720938406","34126542032130551298903788104990888268","201108913660986669710285444166741733136","164794786683505136590423059992333542084","239127772975049259354514938513769890836"],"threshold":0.9},"id":"CVE-2024-32664-416a8d97"},{"signature_version":"v1","source":"https://github.com/oisf/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379","target":{"file":"src/util-base64.c"},"deprecated":false,"digest":{"line_hashes":["46679933959011915951402130356142014458","152686793277762586364556378538153723005","24712848685648214478961238615451827358","299308388501023117808097698127344830766","308754288649312340994858895020941377081","254300812950586756234475076883955935037","241421372473962255925250380684720938406","34126542032130551298903788104990888268","201108913660986669710285444166741733136","164794786683505136590423059992333542084","239127772975049259354514938513769890836"],"threshold":0.9},"id":"CVE-2024-32664-9abca188","signature_type":"Line"},{"id":"CVE-2024-32664-ad1ac9eb","signature_type":"Function","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/311002baf288a225f62cf18a90c5fdd294447379","target":{"file":"src/util-base64.c","function":"DecodeBase64"},"deprecated":false,"digest":{"function_hash":"29055727341352579509934896304558138383","length":1735}},{"id":"CVE-2024-32664-e2392738","signature_type":"Function","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d5ffecf11ad2c6fe89265e518f5d7443caf26ba4","target":{"file":"src/util-base64.c","function":"DecodeBase64"},"deprecated":false,"digest":{"function_hash":"212927719737738737265170887986709280404","length":1725}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-32664.json","vanir_signatures_modified":"2026-08-12T15:15:14Z"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}