CVE-2026-31937 — HIGH (7.5)

Q: What is CVE-2026-31937?

CVE-2026-31937 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

Q: How severe is CVE-2026-31937?

CVE-2026-31937 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-31937?

Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.

Vulnerability 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.

CVSS Score

7.5

HIGH

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

Affected Products

Vendor	Product	Versions
Oisf	Suricata	< 7.0.15

Related Weaknesses (CWE)

CWE-407

References

https://github.com/OISF/suricata/security/advisories/GHSA-86vg-w8vm-m3ggVendor Advisory
https://redmine.openinfosecfoundation.org/issues/8304Issue Tracking

FAQ

What is CVE-2026-31937?

CVE-2026-31937 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2026-31937?

CVE-2026-31937 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31937?

Check the references section above for vendor advisories and patch information. Affected products include: Oisf Suricata.