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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.

PUBLISHED Reserved 2026-03-10 | Published 2026-04-02 | Updated 2026-04-02 | Assigner GitHub_M




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-407: Inefficient Algorithmic Complexity

Product status

>= 8.0.0, < 8.0.4
affected

References

github.com/...ricata/security/advisories/GHSA-hr89-h2pp-f3c8

redmine.openinfosecfoundation.org/issues/8292

cve.org (CVE-2026-31934)

nvd.nist.gov (CVE-2026-31934)

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