Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/OISF/suricata/commit/4985eb9daea2f765b6ef59a58fa02e5c71c0a77c
- https://github.com/OISF/suricata/commit/c0215c7e175b0000ef8450928dd1f3453c48379b
- https://github.com/OISF/suricata/releases/tag/suricata-8.0.6
- https://github.com/OISF/suricata/security/advisories/GHSA-ph5p-pm8r-m355
- https://redmine.openinfosecfoundation.org/issues/8649
FAQ
What is CVE-2026-57229?
CVE-2026-57229 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 ful...
How severe is CVE-2026-57229?
CVE-2026-57229 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57229?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.