Lucene search
K

CVE-2021-47793 Telegram Desktop 2.9.2 - Denial of Service (PoC)

🗓️ 15 Jan 2026 23:25:43Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Telegram Desktop 2.9.2 suffers a denial of service via oversized message payload that can crash the app with a nine million byte buffer.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2021-47793
15 Jan 202623:25
attackerkb
AlpineLinux
CVE-2021-47793
15 Jan 202623:25
alpinelinux
CNNVD
Telegram Desktop security vulnerabilities
16 Jan 202600:00
cnnvd
CVE
CVE-2021-47793
15 Jan 202623:25
cve
Debian CVE
CVE-2021-47793
15 Jan 202623:25
debiancve
EUVD
EUVD-2026-3030
16 Jan 202600:30
euvd
NVD
CVE-2021-47793
16 Jan 202600:16
nvd
OSV
DEBIAN-CVE-2021-47793
16 Jan 202600:16
osv
Positive Technologies
PT-2026-3165
15 Jan 202600:00
ptsecurity
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2021-47793
17 Jan 202600:00
nessus
Rows per page
[
  {
    "vendor": "Telegram",
    "product": "Telegram Desktop",
    "versions": [
      {
        "version": "2.9.2",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation