Vulnerability Description
Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oisf | Suricata | >= 8.0.0, < 8.0.4 |
Related Weaknesses (CWE)
References
- https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8Vendor Advisory
- https://redmine.openinfosecfoundation.org/issues/8292Issue TrackingPermissions Required
FAQ
What is CVE-2026-31934?
CVE-2026-31934 is a vulnerability with a CVSS score of 7.5 (HIGH). Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a...
How severe is CVE-2026-31934?
CVE-2026-31934 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-31934?
Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.