nullmailer 1.00RC5 and earlier allows local users to cause a denial of service via an email to a local user that does not exist, which generates an error that causes nullmailer to stop sending mail to all users.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Nullmailer | Nullmailer | 1.0rc5 (including) | 1.0rc5 (including) |