The decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk.
| Severity/Risk: | Serious |
| Versions affected: | 3.9 to 3.9.1, 3.8 to 3.8.4, 3.7 to 3.7.7, 3.5 to 3.5.13 and earlier unsupported versions |
| Versions fixed: | 3.9.2, 3.8.5, 3.7.8 and 3.5.14 |
| Reported by: | Ivan Novichkov |
| CVE identifier: | CVE-2020-25630 |
| Changes (master): | http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-65115 |
| Tracker issue: | MDL-65115 Denial of service risk in file picker unzip functionality |