CVEvulnerability
CVE-2021-30496
5.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.7 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-121
Description
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."
Affected configurations
• telegram telegram 7.6.2
Related
Weakness · CWE (1)
- CWE-121 Stack-based Buffer Overflow weakness
References
- https://gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31 Exploit, Third Party Advisory
- https://t.me/joinchat/bJ9cnUosVh03ZTI0 Vendor Advisory
- https://gist.github.com/raminfp/bf64c2974ee6949787329749148a4b31 Exploit, Third Party Advisory
- https://t.me/joinchat/bJ9cnUosVh03ZTI0 Vendor Advisory