Performance Degradation in Suricata Network Security Engine
CVE-2026-31932

7.5HIGH

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
2 April 2026

What is CVE-2026-31932?

Suricata, a renowned network intrusion detection, prevention, and network security monitoring engine, experienced a performance degradation issue due to inefficiencies in KRB5 buffering. This vulnerability impacted versions prior to 7.0.15 and 8.0.4, prompting the necessity for updates to enhance performance and maintain system efficiency. The issue has been successfully addressed in the patched versions, ensuring smoother operation for users reliant on Suricata for security monitoring.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

suricata < 7.0.15 < 7.0.15

suricata >= 8.0.0, < 8.0.4 < 8.0.0, 8.0.4

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://redmine.openinfosecfoundation.org/issues/8305
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.