Telegram had some major security vulnerabilities

Messaging app Telegram was beset with vulnerabilities last year after one security researcher discovered 13 in the course of a single investigation. Writing for IT security firm Shielder, an individual known as “polict” also confirmed that all the security bugs have been responsibly reported to Telegram and subsequently fixed.

The Telegram vulnerabilities were initially discovered after investigating the source code for new animated stickers that the secure messaging app launched in 2019. The flaws allowed attackers to send malicious stickers to victims in order to gain access to private messages, photos, and videos. Although the exploit was far from straightforward, there’s no guarantee that this would have discouraged sophisticated threat actors.


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