CVE-2021-47793

HIGH

7.5

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/16/2026

Zuletzt geandert1/30/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

telegram:telegram_desktop

Schwachen (CWE)

CWE-770

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.