What’s Vulnerable › Vulnerabilities

CVE-2019-16248

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-11 · updated 2026-06-17

Description

The "delete for" feature in Telegram before 5.11 on Android does not delete shared media files from the Telegram Images directory. In other words, there is a potentially misleading UI indication that a sender can remove a recipient's copy of a previously sent image (analogous to supported functionality in which a sender can remove a recipient's copy of a previously sent message).

Affected products

• Telegram: before 5.11.0 — fixed in 5.11.0

How to fix

Upgrade to a fixed version: Telegram 5.11.0. Check the vendor advisory for mitigations.

References

• https://github.com/RootUp/PersonalStuff/blob/master/Telegram_Privacy.pdf
• https://www.inputzero.io/2019/09/telegram-privacy-fails-again.html
• https://www.openwall.com/lists/oss-security/2019/09/09/2
• https://github.com/RootUp/PersonalStuff/blob/master/Telegram_Privacy.pdf
• https://www.inputzero.io/2019/09/telegram-privacy-fails-again.html
• https://www.openwall.com/lists/oss-security/2019/09/09/2

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