CVE-2026-31934

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CVSS 3.1

7.5 high

EPSS

<1%p19

Published

Apr 2, 2026 (Apr 2, 2026)

Modified

Jun 17, 2026

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.

Vendors: oisf
Products: suricata
Weakness: CWE-407
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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