Facebook bug unblocked blocked users on 800,000 accounts

Image Source Facebook

Image Source Facebook

However, the previously blocked person could add as a friend or even contact on Messenger. A block allows users to keep unwanted eyes away from their profiles and posts, as well as prevent any unsought conversations popping up Messenger, but the bug borked that and arguably represents a breach of privacy for hundreds of thousands of Facebook users.

Erin Egan, Facebook's chief privacy officer, wrote in a blog post that the social network would start notifying the affected users.

According to Facebook's statement on the matter, 83 percent of people affected by this bug had "only" one blocked person temporarily unblocked. Over 800,000 users were affected by this bug between May 29 and June 5.

Responding to Facebook's blog, TechCrunch's Josh Constine said in a tweet that the block bug would further shake the confidence of stalking and abuse victims who trust the platform. According to the company, visible Facebook user data is stored in pairs called "associations". For example, their relationship may have changed or they may want to take a break from someone posting content they find annoying. With this bug, some purportedly blocked users could have seen posts that were shared with a wide audience and been able to contact the person who blocked them via Messenger.

People are blocked for harsher reasons, such as harassment or bullying, Egan added.

"We'd like to apologize and explain what happened".

Facebook confirmed that a bug has temporarily unblocked some users from the block lists of around 800,000 users. However, because of the bug, someone who was unblocked could have been able to message a user who had blocked them in the past.

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