CVE-2026-31933 — Suricata stream: quadratic complexity in stream inspection
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. …
Published: 2026-04-02 · CVSS: 7.5 · CVSS 3.1
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7