# CVE-2026-31933: suricata: Suricata is a network IDS, IPS and NSM engine

CVE-2026-31933 is fixed in suricata on 1 platform, first by DEBIAN-CVE-2026-31933, released April 2, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-31933
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0037
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 2, 2026

## Description

Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | suricata Debian 13.5 (trixie) | 1:7.0.10-1+deb13u4 | [DEBIAN-CVE-2026-31933](https://patchblox.com/security/data/fix/linux/debian-cve-2026-31933.md) | Apr 2, 2026 |
| Linux | suricata Debian 14 | 1:8.0.4-1 | [DEBIAN-CVE-2026-31933](https://patchblox.com/security/data/fix/linux/debian-cve-2026-31933.md) | Apr 2, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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