This article provides a comprehensive troubleshooting guide to help you identify, fix, and prevent Telegram crashing issues in 2026.
If you are currently dealing with a frozen app, let me know (Android, iOS, or PC) and whether the app crashes instantly on launch so I can provide specific recovery steps. Share public link
Swipe up from the bottom, find the Telegram card, and swipe it away. Then, reopen the app. C. Update Telegram
If the bug is widespread, it may be a broader issue that Telegram developers are working on. You can check websites like Downdetector to see if others are experiencing similar "crush" issues. crush bug telegram
Telegram has not stood still in the face of these criticisms. In 2026, the platform began retiring certain aspects of the "People Nearby" feature due to abuse by bots and scammers, and is shifting focus toward "Nearby Businesses" with verified accounts. However, legacy elements and cached data may still pose risks, and the feature continues to be available on older versions.
The Crush Bug Telegram, also known as CVE-2021-34798, is a type of denial-of-service (DoS) vulnerability that affects the popular messaging app, Telegram. The bug was first reported in August 2021 and has since been widely discussed in the cybersecurity community.
: Messages containing complex Unicode characters that the app cannot process. Formatting Errors Then, reopen the app
: You see a weird text overlap. You triple-tap the screen.
The attack typically involves sending a series of specially crafted messages to the targeted user, which can cause the app to consume excessive resources or crash. This can be done via the Telegram network or through other means, such as via a web browser or another app.
Operating systems and apps use complex shaping engines (like HarfBuzz or CoreText) to render diverse languages, emojis, and special symbols. A crush bug often strings together thousands of invisible characters, zero-width joiners, or right-to-left override tokens. When Telegram attempts to calculate how to display this text on your screen, the rendering engine runs out of memory or gets stuck in an infinite calculation loop, forcing the app to shut down. 2. Memory Corruption and Buffer Overflows You can check websites like Downdetector to see
The app cannot access necessary device resources.
Telegram is famous for its animated stickers, custom themes, and high-speed video sharing. However, rendering animations requires processing complex file structures like rendering engines for vector graphics.