Vulnerability Database

322,905

Total vulnerabilities in the database

CVE-2021-47793

Telegram Desktop 2.9.2 contains a denial of service vulnerability that allows attackers to crash the application by sending an oversized message payload. Attackers can generate a 9 million byte buffer and paste it into the messaging interface to trigger an application crash.

  • Published: Jan 16, 2026
  • Updated: Jan 31, 2026
  • CVE: CVE-2021-47793
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
telegram / telegram_desktop 2.9.2 2.9.2.x