| Package | Affected versions | Patched versions |
|---|---|---|
| php | ≥ 8.3.0, < 8.3.5 | 8.3.5 |
In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.
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