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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| https://github.com/FoobarOy/ | Foomuuri | ? – < 0.31 | 0.31 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | foomuuri | 0.31-1 | — |
| Debian 13 | foomuuri | 0.27-2+deb13u1 | DSA-6095-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | foomuuri | 0.27-2+deb13u1build0.25.10.1 | USN-8326-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | foomuuri | 0.22-1ubuntu0.1~esm1 | USN-8326-1 |
Advisories 2
- USN-8326-1 foomuuri vulnerabilities Ubuntu Security Notices (USN) · May 27, 2026
- DSA-6095-1 foomuuri - security update Debian Security (DSA / DLA) · Jan 7, 2026