filter/urltolink/filter.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 allows remote authenticated users to cause a denial of service (CPU consumption or partial outage) via a crafted string that is matched against an improper regular expression.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | * | 2.5.9 (including) |
| Moodle | Moodle | 2.5.0 (including) | 2.5.0 (including) |
| Moodle | Moodle | 2.5.1 (including) | 2.5.1 (including) |
| Moodle | Moodle | 2.5.2 (including) | 2.5.2 (including) |
| Moodle | Moodle | 2.5.3 (including) | 2.5.3 (including) |
| Moodle | Moodle | 2.5.4 (including) | 2.5.4 (including) |
| Moodle | Moodle | 2.5.5 (including) | 2.5.5 (including) |
| Moodle | Moodle | 2.5.6 (including) | 2.5.6 (including) |
| Moodle | Moodle | 2.5.7 (including) | 2.5.7 (including) |
| Moodle | Moodle | 2.5.8 (including) | 2.5.8 (including) |
| Moodle | Moodle | 2.6.0 (including) | 2.6.0 (including) |
| Moodle | Moodle | 2.6.1 (including) | 2.6.1 (including) |
| Moodle | Moodle | 2.6.2 (including) | 2.6.2 (including) |
| Moodle | Moodle | 2.6.3 (including) | 2.6.3 (including) |
| Moodle | Moodle | 2.6.4 (including) | 2.6.4 (including) |
| Moodle | Moodle | 2.6.5 (including) | 2.6.5 (including) |
| Moodle | Moodle | 2.6.6 (including) | 2.6.6 (including) |
| Moodle | Moodle | 2.6.7 (including) | 2.6.7 (including) |
| Moodle | Moodle | 2.6.8 (including) | 2.6.8 (including) |
| Moodle | Moodle | 2.7.0 (including) | 2.7.0 (including) |
| Moodle | Moodle | 2.7.1 (including) | 2.7.1 (including) |
| Moodle | Moodle | 2.7.2 (including) | 2.7.2 (including) |
| Moodle | Moodle | 2.7.3 (including) | 2.7.3 (including) |
| Moodle | Moodle | 2.7.4 (including) | 2.7.4 (including) |
| Moodle | Moodle | 2.7.5 (including) | 2.7.5 (including) |
| Moodle | Moodle | 2.8.0 (including) | 2.8.0 (including) |
| Moodle | Moodle | 2.8.1 (including) | 2.8.1 (including) |
| Moodle | Moodle | 2.8.2 (including) | 2.8.2 (including) |
| Moodle | Moodle | 2.8.3 (including) | 2.8.3 (including) |
| Moodle | Ubuntu | artful | * |
| Moodle | Ubuntu | lucid | * |
| Moodle | Ubuntu | precise | * |
| Moodle | Ubuntu | trusty | * |
| Moodle | Ubuntu | upstream | * |
| Moodle | Ubuntu | utopic | * |
| Moodle | Ubuntu | vivid | * |
| Moodle | Ubuntu | wily | * |
| Moodle | Ubuntu | yakkety | * |
| Moodle | Ubuntu | zesty | * |