NEW: Suricata 6.0.5 and 5.0.9 releases!

We are very pleased to announce the releases of Suricata 6.0.5 and 5.0.9. These releases are bug fix releases, fixing a number of important issues. Find out more information below, visit our downloads page, or email us at to learn more.

◆ Suricata 6.0.3 and 5.0.7 releases

These updates mainly include bug fix releases, and they each repair a number of important issues that impacted our prior versions.

Get the releases here:


◆ Notable Changes:

LibHTP has been updated to 0.5.38.

Various security, performance, accuracy and stability issues have been fixed, including a critical evasion assigned CVE-2021-35063.

Tickets for 5.0.7: 5.0.7 – Suricata – Open Information Security Foundation
Tickets for 6.0.3: 6.0.3 – Suricata – Open Information Security Foundation

The Suricata team is also finalizing our new security policy which will be published soon.

◆ Special Thanks:

Luke Coughlan, Eric Leblond, Mats Klepsland, Sascha Steinbiss !!

…and thank YOU our community for your ongoing support!

Hungry for more?

◆ Check out our next webinar!

Wednesday, July 14 at 10:00 EST/ 17:00 CEST

Join our free webinar “Webinar – Peeling Back the Layers of Suricata Metadata with Doug Burks”:

Join Doug Burks of Security Onion LLC as he explores Suricata’s ability to record rich network metadata and improve your threat hunting.

Click here to register for the webinar & view a fuller description of the event!

◆ Suricon2021 Call for Talks and Trainings:

We’re hopeful that we’ll be able to do an in-person or hybrid event this fall, so submit your talk and/or training by July 1st!

SuriCon2021 – Call for Talks
SuriCon2021 – Call for Pre-Conference Trainings

◆ Social Media:

Join our Forum at

Follow us on Twitter at Suricata IDS/IPS (@Suricata_IDS) / Twitter


◆ About Suricata:

Suricata is a high performance Network Threat Detection, IDS, IPS and Network Security Monitoring engine. Open source and owned by a community run non-profit foundation, the Open Information Security Foundation (OISF). Suricata is developed by OISF, its supporting vendors and the community.