ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
| Software | From | Fixed in |
|---|---|---|
| znc / znc | 1.8.0 | 1.8.0.x |
| fedoraproject / fedora | 31 | 31.x |
| fedoraproject / fedora | 32 | 32.x |