CVE-2021-47793

HIGH

7.5

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.17.5

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado1/16/2026

Ultima modificacion1/30/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

telegram:telegram_desktop

Debilidades (CWE)

CWE-770

Referencias

https://telegram.org(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50247(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/telegram-desktop-denial-of-service-poc(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50247(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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