'We are aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on iOS.'
Recall has a rocky history, and was withdrawn last year after a backlash over how 'creepy' it was.
Over 20,000 people have reported issues accessing the music app.
Others say it resembles a door to nowhere.
Exclusive G2G-endorsed AI Lab in Malaysia Will See Collaboration from Global Leaders in Blockchain,AI and Robotics
Luckin Coffee has also unveiled three new drinks using OATLY\'s Barista Oat Drink as part of this collaboration.