| Package | Affected versions | Patched versions |
|---|---|---|
| php | = 4.2= 4.2.0= 4.2.1= 4.2.2= 4.2.3= 4.3.0 |
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.
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