Vulnerability Database

309,134

Total vulnerabilities in the database

CVE-2021-30496

The Telegram app 7.6.2 for iOS allows remote authenticated users to cause a denial of service (application crash) if the victim pastes an attacker-supplied message (e.g., in the Persian language) into a channel or group. The crash occurs in MtProtoKitFramework. NOTE: the vendor's perspective is that "this behavior can't be considered a vulnerability."

  • Published: Apr 20, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-30496
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.7
  • AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:M/Au:S/C:N/I:N/A:P

CWEs:

Software From Fixed in
telegram / telegram 7.6.2 7.6.2.x