| Package | Affected versions | Patched versions |
|---|---|---|
| drupal/core | ≥ 10.3.0, < 10.3.9≥ 11.0.0, < 11.0.8≥ 8.0.0, < 10.2.11 | 10.3.911.0.810.2.11 |
| drupal/core-recommended | ≥ 10.3.0, < 10.3.9≥ 11.0.0, < 11.0.8≥ 8.0.0, < 10.2.11 | 10.3.911.0.810.2.11 |
| drupal/drupal | ≥ 10.3.0, < 10.3.9≥ 11.0.0, < 11.0.8≥ 8.0.0, < 10.2.11 | 10.3.911.0.810.2.11 |
| drupal | ≥ 10.3.0, < 10.3.9≥ 11.0.0, < 11.0.8≥ 8.0.0, < 10.2.11 | 10.3.911.0.810.2.11 |
Drupal's uniqueness checking for certain user fields is inconsistent depending on the database engine and its collation. As a result, a user may be able to register with the same email address as another user. This may lead to data integrity issues. This issue affects Drupal Core: from 8.0.0 before 10.2.11, from 10.3.0 before 10.3.9, from 11.0.0 before 11.0.8.
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