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5.3 Medium

CVE-2024-32664 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine

Description

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.

Affected products and versions

Product Affected versions Fixed in
suricata 7.0 7.0.0 → 7.0.4 No fix stated
suricata 6.0 6.0.0 → 6.0.18 No fix stated

Other CVEs of suricata

The 86 CVEs of suricata →
CVE-2026-94084 Suricata before 8.0.7 has an Http2ThreadMultiBuf use-after-free when a transaction is inspected by rules that use… 9.4 Critical CVE-2026-94083 Suricata before 8.0.7 has a DoH2 type confusion that can cause an invalid free, because cleanup code for the HTTP2 state… 9.4 Critical CVE-2026-71855 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 5.9 Medium CVE-2026-71418 Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine 7.5 High
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