VulnerabilityAnalyzed
CVE-2026-31934
Suricata is a network IDS, IPS and NSM engine.
HIGH 7.5EPSS 0.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-407
- Affected
- oisf/suricata
- Source
- security-advisories@github.com
References
- https://github.com/OISF/suricata/security/advisories/GHSA-hr89-h2pp-f3c8Vendor Advisory
- https://redmine.openinfosecfoundation.org/issues/8292Issue Tracking, Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.