CVE-2026-31933 (GCVE-0-2026-31933)

Vulnerability from cvelistv5 – Published: 2026-04-02 14:03 – Updated: 2026-04-03 16:01
VLAI?
Title
Suricata stream: quadratic complexity in stream inspection
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
Vendor Product Version
OISF suricata Affected: < 7.0.15
Affected: >= 8.0.0, < 8.0.4
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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