CVE-2026-31934

HIGH EPSS 18.9%
Published Apr 2, 20263mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 2, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
18.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-407

Affected Products 1

VendorProductVersionRange
oisfsuricata*≥8.0.0  –  <8.0.4

References 2

  • github.com https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8
    Vendor Advisory
  • redmine.openinfosecfoundation.org https://redmine.openinfosecfoundation.org/issues/8292
    Issue TrackingPermissions Required

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.