CVE-2026-31934

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/2/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-407

References

https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8(security-advisories@github.com)

https://redmine.openinfosecfoundation.org/issues/8292(security-advisories@github.com)

IOC Correlations

No correlations recorded

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