A message containing a video or image with a corrupted thumbnail header can cause the app’s image decoder to fail catastrophically when generating the preview.
Unlike dating apps (explicitly romantic) or email (explicitly formal), Telegram occupies a gray zone: it’s for friends, groups, work, and crushes alike. This ambiguity allows the user to interpret every generic message (“Haha true”) as flirtatious.
Don’t confuse crush bugs with other threats: crush bug telegram
| Threat | Effect | Fix | |--------|--------|-----| | Crush Bug | App crashes, still accessible via Web | Delete bad message | | Spam Bot | Floods messages, slow performance | Mute + delete chat | | Account Takeover | Hacker logs in via SMS code | 2FA + terminate sessions | | Session Hijacking | Attacker uses stolen auth key | Force re-login on all devices | | Zero-Day Exploit | Remote code execution (rare) | Update immediately |
Crush bugs are annoying but generally not a security breach—they don’t leak your messages or give control of your account. However, attackers sometimes use crush bugs as a distraction while attempting another exploit. A message containing a video or image with
Go to Settings > Data and Storage > Automatic Media Download and set all options to Never. This prevents corrupt thumbnails from being processed before you see them.
How do you know if you’re dealing with a crush bug versus a normal app glitch? Look for these telltale signs: Go to Settings > Data and Storage >
If this sounds familiar, you’ve likely been targeted by a crush bug.