Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
7.5
Suricata: Slow Performance Searching for Mailed URLs
DEBIAN-CVE-2026-31934
Summary
Suricata's email scanning can be slow when looking for URLs in certain emails. This affects versions of Suricata from 8.0.0 to before 8.0.4. To fix, update to version 8.0.4 or later.
What to do
- Update debian suricata to version 1:8.0.4-1.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| debian | suricata | All versions | – |
| debian | suricata | All versions | – |
| debian | suricata | All versions | – |
| debian | suricata | <= 1:8.0.4-1 | 1:8.0.4-1 |
Original title
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 t...
Original 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.
- https://security-tracker.debian.org/tracker/CVE-2026-31934 Vendor Advisory
Published: 2 Apr 2026 · Updated: 3 Apr 2026 · First seen: 3 Apr 2026