Description
It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that messaging did not impose a character limit when sending messages, which could result in client-side (browser) denial of service for users receiving very large messages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | moodle | moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | moodle | No fix yet | — |
| Ubuntu Pro 16.04 LTS | moodle | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | moodle/moodle | >= 3.5, < 3.5.16 | 3.5.16 | GHSA-c3j6-33r4-89q3 |
| Packagist | moodle/moodle | >= 3.8, < 3.8.7 | 3.8.7 | GHSA-c3j6-33r4-89q3 |
| Packagist | moodle/moodle | >= 3.9, < 3.9.4 | 3.9.4 | GHSA-c3j6-33r4-89q3 |
| Packagist | moodle/moodle | >= 3.10, < 3.10.1 | 3.10.1 | GHSA-c3j6-33r4-89q3 |