Crush Bug Telegram -

Telegram releases security patches frequently. The majority of crush bugs only work on outdated versions. Enable auto-updates in your app store.

If you want, provide the app version, device, and exact steps you experienced and I’ll draft a ready-to-send bug report you can paste into Telegram’s support form.

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The Telegram "Crush Bug": Understanding the 2026 Zero-Click Threat crush bug telegram

Recent reports in early 2026 have highlighted a critical security concern known colloquially among some users as a "crush bug" or, more accurately, a Zero-Click Remote Code Execution (RCE) vulnerability. This specific flaw, tracked as ZDI-CAN-30207, has sent shockwaves through the cybersecurity community due to its high severity and the unusual way it targets users. What is the "Crush Bug" in Telegram?

While "crush bug" is often used broadly by users to describe any glitch that causes an app to crash ("crush"), the most significant 2026 threat involves a zero-click exploit. Unlike traditional phishing where you must click a link, this vulnerability triggers automatically when your device receives a specially crafted animated sticker. Vulnerability ID: ZDI-CAN-30207. Severity Score: 9.8 / 10 (Critical).

How it works: 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

As of April 2026, the primary platforms identified as vulnerable are: Telegram for Android Telegram for Linux

The risks are severe. Because the attack is "zero-click," users can be compromised simply by being in a group where a malicious sticker is sent, or by receiving a direct message from an unknown sender. Attackers can potentially gain access to messages, session tokens, and personal media. The Ongoing Controversy Telegram releases security patches frequently

There is currently a significant dispute between independent researchers and Telegram's official team:

Researchers' View: Experts from Trend Micro’s Zero Day Initiative (ZDI) and CSIRT Italy have issued official alerts, confirming the vulnerability's existence and warning of its critical nature.

Telegram’s Stance: Telegram has officially denied the existence of this specific zero-click flaw, claiming their server-side validation prevents such malicious files from ever reaching the end-user. How to Protect Your Account

Until a definitive patch is confirmed and verified by third parties, security experts recommend several immediate steps:

Restrict Direct Messages: Go to Settings > Privacy and Security and set "Messages" to "My Contacts" only to prevent unknown senders from sending malicious stickers. Once you provide more details, I’d be happy

Disable Auto-Download (Partial Protection): While some reports suggest the exploit triggers during preview parsing regardless of download settings, disabling Automatic Media Download in Data and Storage is still a recommended "best practice".

Use Telegram Web: High-risk users are advised to temporarily use Telegram Web in a secure, updated browser, as the web version handles media parsing differently than the native Android/Linux apps.

Update Frequently: Check the Google Play Store or App Store daily for updates, as security patches are often released without major announcements.

For users experiencing standard "crashes" (not related to security exploits), clearing the app cache via Settings > Data and Storage > Storage Usage > Clear Cache often resolves common performance bugs. How to Fix Telegram App Crashing on Android & iPhone

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Since the crash bug only affects native mobile or desktop clients, Telegram Web (web.telegram.org) often remains unaffected because it uses a different rendering engine.

Steps:

Do not open messages from strangers that contain: