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Snort

v3.9.0.0 Maintenance

This release keeps dependencies and maintenance posture current for teams operating this tool.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Summary

AI summary

Minor fixes and improvements.

Full changelog

Dependencies:

  • Libdaq v3.0.19
  • LibML v2.0.0
  • If you are using rules from snort.org, please use latest Talos_lightSPD package from version 2025-06-05-001 onward (due to API bump)

Changes in this release since 3.8.1.0

  • codec, flow: make mpls layers in flow pointers to save memory
  • flow: use vector and binary search for flow data and stash
  • managers, profiler, stream: fix glibc debug and assertion issues

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About Snort

A network intrusion detection tool

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Related context

Beta — feedback welcome: [email protected]