Performance Degradation in Suricata Network IDS by Open Information Security Foundation
CVE-2026-31937

7.5HIGH

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
2 April 2026

What is CVE-2026-31937?

Suricata, developed by the Open Information Security Foundation, encountered a vulnerability that affects its efficiency in handling DCERPC buffering, which can lead to noticeable performance degradation in network monitoring tasks. This vulnerability has been addressed in version 7.0.15, making it crucial for users to update their systems to ensure optimal performance and security. For further information and patches, refer to the security advisory and issue tracking links.

Affected Version(s)

suricata < 7.0.15

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://redmine.openinfosecfoundation.org/issues/8304
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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

.