CVE-2026-31937

| EUVD-2026-18246 HIGH
2026-04-02 GitHub_M
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Patch Released
Apr 02, 2026 - 20:30 nvd
Patch available
EUVD ID Assigned
Apr 02, 2026 - 15:00 euvd
EUVD-2026-18246
Analysis Generated
Apr 02, 2026 - 15:00 vuln.today
CVE Published
Apr 02, 2026 - 14:38 nvd
HIGH 7.5

Tags

Information Disclosure

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.

Analysis

Network denial-of-service in Suricata prior to 7.0.15 allows remote unauthenticated attackers to degrade intrusion detection performance via inefficient DCERPC buffering. The flaw enables attackers to bypass or impair network security monitoring by exhausting system resources through malformed DCERPC traffic, effectively blinding detection capabilities. …

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Remediation

Within 24 hours: Verify your Suricata version and confirm whether you are running versions prior to 7.0.15. Within 7 days: Upgrade to Suricata 7.0.15 or later. …

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

Vendor Status

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CVE-2026-31937 vulnerability details – vuln.today
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