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Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. From 8.0.0 until 8.0.6, the SMTP MIME parser in rust/src/mime/smtp.rs does not fully reset state when processing Content-Type: message/rfc822 encapsulation. An outer MIME part's encoding or filename state can leak into the inner message, allowing crafted mail to evade detections based on file.data, file.name, or extracted URLs when SMTP MIME decoding is enabled. This issue is fixed in version 8.0.6.
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Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "OISF",
"product": "suricata",
"versions": [
{
"version": ">= 8.0.0, < 8.0.6",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON