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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Php | Php | 8.3.0 (including) | 8.3.5 (excluding) |
| Php8.3 | Ubuntu | devel | * |
| Php8.3 | Ubuntu | noble | * |
| Php8.3 | Ubuntu | upstream | * |
References
- http://www.openwall.com/lists/oss-security/2024/04/12/11
- https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
- https://security.netapp.com/advisory/ntap-20240510-0011/
- http://www.openwall.com/lists/oss-security/2024/04/12/11
- https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/
- https://security.netapp.com/advisory/ntap-20240510-0011/