Collabora Online is a collaborative online office suite based on LibreOffice. In affected versions of Collabora Online, https connections from coolwsd to other hosts may incompletely verify the remote hosts certificates against the full chain of trust. This vulnerability is fixed in Collabora Online 24.04.4.3, 23.05.14.1, and 22.05.23.1.
The product does not validate, or incorrectly validates, a certificate.