The file repository's URL parsing required additional recursion handling to mitigate the risk of recursion denial of service.
| Severity/Risk: | Serious |
| Versions affected: | 3.11, 3.10 to 3.10.4, 3.9 to 3.9.7 and earlier unsupported versions |
| Versions fixed: | 3.11.1, 3.10.5 and 3.9.8 |
| Reported by: | 0xkasper |
| CVE identifier: | CVE-2021-36395 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-71922 |
| Tracker issue: | MDL-71922 Recursion denial of service possible due to recursive cURL in file repository |
Read more https://moodle.org/mod/forum/discuss.php?d=424801&parent=1710820