The IMAP functionality in PHP before 4.3.1 allows remote attackers to cause a denial of service via an e-mail message with a (1) To or (2) From header with an address that contains a large number of (backslash) characters.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Php | Php | 4.2 (including) | 4.2 (including) |
| Php | Php | 4.2.0 (including) | 4.2.0 (including) |
| Php | Php | 4.2.1 (including) | 4.2.1 (including) |
| Php | Php | 4.2.2 (including) | 4.2.2 (including) |
| Php | Php | 4.2.3 (including) | 4.2.3 (including) |
| Php | Php | 4.3.0 (including) | 4.3.0 (including) |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | RedHat | * | |
| Red Hat Enterprise Linux ES version 2.1 | RedHat | * | |
| Red Hat Enterprise Linux WS version 2.1 | RedHat | * | |
| Red Hat Linux Advanced Workstation 2.1 | RedHat | * |