High severity7.5OSV Advisory· Published Jan 16, 2026· Updated Jun 17, 2026
CVE-2021-47793
CVE-2021-47793
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- Range: v0.10.1, v0.10.14, v0.10.15, …
- cpe:2.3:a:telegram:telegram_desktop:2.9.2:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/50247nvdExploit
- www.vulncheck.com/advisories/telegram-desktop-denial-of-service-pocnvdThird Party Advisory
- telegram.orgnvdProduct
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