ext/imap/php_imap.c in PHP 5.x and 7.x before 7.3.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty string in the message argument to the imap_mail function.
| Software | From | Fixed in |
|---|---|---|
| php / php | 7.2.0 | 7.2.14 |
| php / php | 7.0.0 | 7.0.33 |
| php / php | 7.1.0 | 7.1.26 |
| php / php | 5.6.0 | 5.6.39 |
| debian / debian_linux | 8.0 | 8.0.x |
| debian / debian_linux | 9.0 | 9.0.x |