Latest development follows days of reported battery fires from new Note 7.
The halt is in cooperation with consumer safety regulators from South Korea, the United States and China, the official said on the condition of anonymity.
"This measure includes a Samsung plant in Vietnam that is responsible for global shipments (of the Galaxy Note 7)," the official said.
The latest development comes amid reports that new, replacement models are experiencing battery fires. All four U.S. carriers have now suspended sales of the troubled phone, and in the past few hours additional reports of new Note 7s catching fire in the U.S. have emerged.
Meanwhile Australian carrier Telstra says Samsung has "temporarily paused the supply" of replacement Note 7s following the past few days' reports, according to The Verge:
Please be advised of some updates to the Samsung Note 7 Global Exchange program.
Samsung has temporarily paused the supply of new Galaxy Note7 smartphones following a reported incident in a replacement phone in the US. Samsung is confident in the replacement Note7 and says they have no reason to believe it's not safe. We'll let you know the status of your replacement Note7 as soon as we have more information.
We have contacted impacted customers to advise them of the delay.
We'll update this article with further developments as they emerge. We've reached out to Samsung for comment.