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Facebook on Monday apologized to more than 800,000 users who may have been affected by a bug that has unlocked previously blocked people.
The company said in a post that the bug was active between May 29 and May 29. June 5th.
Facebook users can "block" others to prevent them from seeing messages or contacting the user on Messenger. With this bug, some allegedly blocked users might have seen messages that were shared with a large audience and were able to contact the person who blocked them via Messenger. (They could not see the content that the users who were blocking them were just sharing with their friends.)
Facebook said the problem has been fixed. Users will be notified if the bug has been linked to their accounts and will receive a Facebook notification encouraging them to check their blocked list, says the company.
This is the second software bug recognized by the company in less than a month. In June, Facebook revealed that a software bug was putting some messages to "public" by default, regardless of their previous settings. This bug affected up to 14 million users for several days in May
. This revelation is the latest in a long series of privacy breaches by Facebook, which is still in shock from the March revelations consulted by Cambridge Analytica. information about some 87 million users without their knowledge or consent.
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