A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of service or other unspecified impacts.

In affected versions of Octopus Deploy users of certain browsers using AD to sign-in to Octopus Server were able to bypass authentication checks and be redirected to the configured redirect url without any validation.

In affected versions of Octopus Deploy it is possible for certain types of sensitive variables to inadvertently become unmasked when viewed in variable preview.

In affected versions of Octopus Server it is possible for target discovery to print certain values marked as sensitive to log files in plaint-text in when verbose logging is enabled.

In affected versions of Octopus Server where access is managed by an external authentication provider, it was possible that the API key/keys of a disabled/deleted user were still valid after the access was revoked.

In affected versions of Octopus Server it is possible for a session token to be valid indefinitely due to improper validation of the session token parameters.

In affected versions of Octopus Server it is possible to reveal the existence of resources in a space that the user does not have access to due to verbose error messaging.

In affected versions of Octopus Server it is possible to use the Git Connectivity test function on the VCS project to initiate an SMB request resulting in the potential for an NTLM relay attack.

In affected versions of Octopus Server it is possible to reveal information about teams via the API due to an Insecure Direct Object Reference (IDOR) vulnerability

In affected versions of Octopus Server it was identified that when a sensitive value is a substring of another value, sensitive value masking will only partially work.