CVE-2026-31934

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.

Score

CVSS 3.1 7.5 High

Status

Analyzed - security-advisories@github.com

Published

2026-04-02

Last modified

2026-10-26

Weaknesses

CWE-407

Affected products

• Suricata (Oisf)

References

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