Telegram !!hot!!: Crush Bug

Animated stickers and GIFs rely on specific rendering engines (like Lottie for vector animations). A corrupted or intentionally broken animation file can force the engine into an infinite processing loop. How the Bug Impacts Users

At its core, a crush bug is a denial-of-service (DoS) attack targeted at an individual user's client application. Unlike server-side attacks that aim to take down the entire Telegram network, a client-side crash exploit targets the way the local app processes information.

In the world of cybersecurity, vulnerabilities and bugs are an unfortunate reality. One such bug that has gained significant attention in recent times is the "Crush Bug Telegram" or more formally known as the " Crush Bug" or " FragmentSmashing" vulnerability. This blog post aims to provide an in-depth look at this infamous vulnerability, its impact, and what you can do to protect yourself. crush bug telegram

: The bug exploits Telegram’s rlottie library, which handles the rendering of animated stickers. When the app parses a malicious sticker to generate a preview, it can trigger a memory corruption that allows an attacker to execute code remotely. Affected Platforms and Risks

The attack typically follows a predictable, yet effective, pattern: Animated stickers and GIFs rely on specific rendering

While Telegram frequently patches these "text bombs," new variations often emerge. As of April 9, 2026

Could you please clarify what you mean? For example: Unlike server-side attacks that aim to take down

Once logged into Telegram Web, locate the sender or the group that sent the crash payload. Delete the chat or clear the message history.

. These bugs often exploit how the app processes specific character strings, media files, or interface actions. Significant Telegram Crash Bugs (2024–2026)