CVE-2026-31937 Details
Description
Suricata is a network IDS, IPS and NSM engine. Prior to version 7.0.15, inefficiency in DCERPC buffering can lead to a performance degradation. This issue has been patched in version 7.0.15.
A performance degradation vulnerability has been identified in Suricata, a network IDS, IPS, and NSM engine, prior to version 7.0.15. The issue arises from an inefficiency in DCERPC buffering, which can cause a significant processing cost and reduce the application's availability.
Users can upgrade to Suricata version 7.0.15 or 8 to address this vulnerability. Alternatively, the 'dcerpc' parser can be disabled as a temporary workaround.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3gg | [email protected] | Vendor Advisory |
| https://redmine.openinfosecfoundation.org/issues/8304 | [email protected] | Issue Tracking |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-407 | Inefficient Algorithmic Complexity | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| oisf suricata | < 7.0.15 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 7, 2026 | Initial Analysis | [email protected] |
| Apr 2, 2026 | New CVE Received | [email protected] |