# CVE-2025-29917: suricata: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine

CVE-2025-29917 is fixed in suricata on 1 platform, first by DEBIAN-CVE-2025-29917, released April 10, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-29917
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 10, 2025

## Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | suricata Debian 13.5 (trixie) | 1:7.0.9-1 | [DEBIAN-CVE-2025-29917](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29917.md) | Apr 10, 2025 |
| Linux | suricata Debian 14 | 1:7.0.9-1 | [DEBIAN-CVE-2025-29917](https://patchblox.com/security/data/fix/linux/debian-cve-2025-29917.md) | Apr 10, 2025 |

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Data as of 2026-11-09T01:18:40Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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