Currently the following Collabora Online versions are supported with security updates.
| Version | Supported |
|---|---|
| 6.4.x | ✅ |
| 4.2.x | ✅ |
| 4.0.x | ❌ |
| < 4.0 | ❌ |
If you find a security vulnerability in Collabora Online please send an email to officesecurity@lists.freedesktop.org.