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7.5
Suricata 7.0.14 and earlier: Poor Buffer Handling in DCERPC Can Cause Slow Performance
DEBIAN-CVE-2026-31937
Summary
A weakness in Suricata's handling of DCERPC data can slow down the program. This issue affects versions of Suricata up to 7.0.14. Users should update to version 7.0.15 to fix the issue.
What to do
- Update debian suricata to version 1:8.0.1-1.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| debian | suricata | All versions | – |
| debian | suricata | All versions | – |
| debian | suricata | All versions | – |
| debian | suricata | <= 1:8.0.1-1 | 1:8.0.1-1 |
Original title
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.
Original 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.
- https://security-tracker.debian.org/tracker/CVE-2026-31937 Vendor Advisory
Published: 2 Apr 2026 · Updated: 3 Apr 2026 · First seen: 3 Apr 2026