Reports from users and developers on platforms like Telegram's Bug Platform and GitHub highlight several distinct crash scenarios identified in early 2026:
The core of the issue lies in how specific versions of the Telegram application handle heavily media-optimized assets, specifically . Security experts at Trend Micro’s Zero Day Initiative discovered that threat actors could exploit the flaw by sending a specially crafted animated sticker to a target user.
Prevention is better than a crash. Telegram has not yet released a global patch (as of this writing), but you can harden your app today. crush bug telegram new
In technical terms, a "crush bug" is a software anomaly where a specific action triggers an unhandled exception, forcing the operating system to shut down the program to prevent system instability. In the context of recent Telegram updates, users report several variations of this bug:
Fingers flying across the keyboard, Leo wrote a quick Python script to intercept incoming media packets on his local network and drop any incoming data from Reports from users and developers on platforms like
He discovered that the exploit used a zero-day vulnerability in Telegram's new video rendering engine. By sending a specifically crafted, highly compressed media file through the Stories feature, the sender could force a buffer overflow. This allowed them to execute remote code, bypass the app's sandbox, and access the phone's deepest, unindexed memory sectors.
Several reports described crashes triggered by hovering over custom emojis on Desktop, a regression that appeared in version 6.7 and was not present in version 6.6.2. This type of “tiny” crash bug can be the most disruptive for power users who rely heavily on reactions and custom sticker sets. Telegram has not yet released a global patch
It appears that newer Telegram updates may have, inadvertently or intentionally, reduced compatibility with older iOS versions, creating a conflict.
: To prevent it from happening again, Leo adjusted his privacy settings. He went to Settings > Privacy and Security and restricted who could add him to groups or send him messages. How to Fix and Prevent the Crush Bug
The "Crush Bug" Telegram New: Everything You Need to Know About the Latest Security Threat
Reports from users and developers on platforms like Telegram's Bug Platform and GitHub highlight several distinct crash scenarios identified in early 2026:
The core of the issue lies in how specific versions of the Telegram application handle heavily media-optimized assets, specifically . Security experts at Trend Micro’s Zero Day Initiative discovered that threat actors could exploit the flaw by sending a specially crafted animated sticker to a target user.
Prevention is better than a crash. Telegram has not yet released a global patch (as of this writing), but you can harden your app today.
In technical terms, a "crush bug" is a software anomaly where a specific action triggers an unhandled exception, forcing the operating system to shut down the program to prevent system instability. In the context of recent Telegram updates, users report several variations of this bug:
Fingers flying across the keyboard, Leo wrote a quick Python script to intercept incoming media packets on his local network and drop any incoming data from
He discovered that the exploit used a zero-day vulnerability in Telegram's new video rendering engine. By sending a specifically crafted, highly compressed media file through the Stories feature, the sender could force a buffer overflow. This allowed them to execute remote code, bypass the app's sandbox, and access the phone's deepest, unindexed memory sectors.
Several reports described crashes triggered by hovering over custom emojis on Desktop, a regression that appeared in version 6.7 and was not present in version 6.6.2. This type of “tiny” crash bug can be the most disruptive for power users who rely heavily on reactions and custom sticker sets.
It appears that newer Telegram updates may have, inadvertently or intentionally, reduced compatibility with older iOS versions, creating a conflict.
: To prevent it from happening again, Leo adjusted his privacy settings. He went to Settings > Privacy and Security and restricted who could add him to groups or send him messages. How to Fix and Prevent the Crush Bug
The "Crush Bug" Telegram New: Everything You Need to Know About the Latest Security Threat