Description
An external attacker is able to send a specially crafted email (with many recipients) and trigger a potential DoS of the system
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OTRS | OTRS | 7.0.x – ≤ 7.0.39, 8.0.x – ≤ 8.0.26 | — |
| OTRS | ((OTRS)) Community Edition | 6.0.1 – < 6.0.x* | 6.0.x* |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | znuny | No fix yet | — |
| Ubuntu 26.04 LTS | znuny | No fix yet | — |
| Ubuntu 25.10 | znuny | No fix yet | — |
| Ubuntu 24.04 LTS | znuny | No fix yet | — |