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Fedora 45 Suricata Security Update Bugfix Release 2026

Linuxsecurity •LinuxSecurity Advisories • September 28, 2026

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CISA confirms exploitation of a Linux firewall flaw. Check if your systems need the fix. ×

The Suricata Engine is an Open Source Generation Intrusion

Detection and Prevention Engine. This engine is not intended to

just replace or emulate the existing tools in the industry, but

will bring new ideas and technologies to the field. This new Engine

supports Multi-threading, Automatic Protocol Detection (IP, TCP,

UDP, ICMP, HTTP, TLS, FTP and SMB! ), Gzip Decompression, Fast IP

Matching, and GeoIP identification.

upstream bugfix/security release

* Sat Sep 19 2026 Jason Taylor - 8.0.7-1 - Upstream security/bugfix release * Sat Aug 1 2026 Jason Taylor - 8.0.6-1 - Upstream security/bugfix release * Mon Jul 27 2026 Yaakov Selkowitz - 8.0.5-4 - Enable sysusers.d on EPEL 11 * Sun Jul 26 2026 Yaakov Selkowitz - 8.0.5-3 - Enable on ppc64le

Fedora Update Notification FEDORA-2026-9cf326b4f4 2026-09-28 00:14:46.769080+00:00 Name : suricata Product : Fedora 45 Version : 8.0.7 Release : 1.fc45 URL : Summary : Intrusion Detection System Description : The Suricata Engine is an Open Source Generation Intrusion Detection and Prevention Engine. This engine is not intended to just replace or emulate the existing tools in the industry, but will bring new ideas and technologies to the field. This new Engine supports Multi-threading, Automatic Protocol Detection (IP, TCP, UDP, ICMP, HTTP, TLS, FTP and SMB! ), Gzip Decompression, Fast IP Matching, and GeoIP identification.

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-9cf326b4f4' at the command line. For more information, refer to the dnf documentation available at

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Suricata Security Updates for Fedora 44 and 45 CISA has confirmed exploitation of a Linux firewall flaw affecting the Suricata Engine in Fedora 44 and 45. The vulnerability allows attackers to exploit the firewall, potentially compromising systems running these Fedora versions. The updates, released on September 19, 2026, address critical security issues, and users are urged to apply them immediately. The Suricata Engine, an open-source intrusion detection and prevention system, is critical for network security. Both Fedora 44 and 45 users are affected, and the updates can be installed using the 'dnf' command. The current status indicates active exploitation in the wild, emphasizing the urgency for system administrators to act. The updates include multi-threading, automatic protocol detection, and other enhancements to improve security and performance. 2 sources 73

Fedora 45 Suricata Security Update Bugfix Release 2026

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