spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Courier_mail_server | Double_precision_incorporated | 0.46 (including) | 0.46 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.47 (including) | 0.47 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.48 (including) | 0.48 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.48.1 (including) | 0.48.1 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.48.2 (including) | 0.48.2 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.49.0 (including) | 0.49.0 (including) |
| Courier_mail_server | Double_precision_incorporated | 0.50.0 (including) | 0.50.0 (including) |
| Courier | Ubuntu | dapper | * |
| Courier | Ubuntu | devel | * |
| Courier | Ubuntu | edgy | * |
| Courier | Ubuntu | feisty | * |