CVE-2021-47793

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Source
https://cve.org/CVERecord?id=CVE-2021-47793
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47793.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-47793
Downstream
Published
2026-01-16T00:16:23.207Z
Modified
2026-07-09T05:14:42.086527Z
Severity
  • 4.6 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/telegramdesktop/tdesktop

Affected ranges

Type
GIT
Repo
https://github.com/telegramdesktop/tdesktop
Events
Introduced
437d35d8c4ffa4389e870f700ab61a9742d61642
Last affected
437d35d8c4ffa4389e870f700ab61a9742d61642
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:telegram:telegram_desktop:2.9.2:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.9.2"
        },
        {
            "last_affected": "2.9.2"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

2.*
2.9.2
v2.*
v2.9.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-47793.json"