# CVE-2025-67858: foomuuri: A Improper Neutralization of Argument Delimiters vulnerability in Foomuuri can lead to integrity loss of the firewall...

CVE-2025-67858 is fixed in 2 products on 1 platform, first by foomuuri 0.22-1ubuntu0.1~esm1, released January 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-67858
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0019
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 8, 2026

## Description

A Improper Neutralization of Argument Delimiters vulnerability in Foomuuri can lead to integrity loss of the firewall configuration or further unspecified impact by manipulating the JSON configuration passed to `nft`. This issue affects Foomuuri: from ? before 0.31.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | foomuuri Debian 13.5 (trixie) | 0.27-2+deb13u1 | [DEBIAN-CVE-2025-67858](https://patchblox.com/security/data/fix/linux/debian-cve-2025-67858.md) | Jan 8, 2026 |
| Linux | foomuuri Debian 14 | 0.31-1 | [DEBIAN-CVE-2025-67858](https://patchblox.com/security/data/fix/linux/debian-cve-2025-67858.md) | Jan 8, 2026 |
| Linux | foomuuri Ubuntu 24.04.5 LTS (noble) | 0.22-1ubuntu0.1~esm1 | [foomuuri 0.22-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-foomuuri-0.22-1ubuntu0.1-esm1.md) | Jan 8, 2026 |
| Linux | foomuuri Ubuntu 25.10 (questing) | 0.27-2+deb13u1build0.25.10.1 | [foomuuri 0.27-2+deb13u1build0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-foomuuri-0.27-2-deb13u1build0.25.10.1.md) | Jan 8, 2026 |
| Linux | foomuuri-firewalld Ubuntu 24.04.5 LTS (noble) | 0.22-1ubuntu0.1~esm1 | [foomuuri-firewalld 0.22-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-foomuuri-firewalld-0.22-1ubuntu0.1-esm1.md) | Jan 8, 2026 |
| Linux | foomuuri-firewalld Ubuntu 25.10 (questing) | 0.27-2+deb13u1build0.25.10.1 | [foomuuri-firewalld 0.27-2+deb13u1build0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-foomuuri-firewalld-0.27-2-deb13u1build0.25.10.1.md) | Jan 8, 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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