An issue has been discovered in GitLab CE/EE affecting all versions starting with version 8.10. It was possible to trigger a timeout on a page with markdown by using a specific amount of block-quotes.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 8.10 | 14.5.4.x |
| gitlab / gitlab | 14.6 | 14.6.4.x |
| gitlab / gitlab | 14.7 | 14.7.1.x |