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I. Basic Information for CVE-2021-47793
Vulnerability Information

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Vulnerability Title
Telegram Desktop 2.9.2 - Denial of Service (PoC)
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Telegram Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telegram Desktop是Telegram开源的一款即时通信移动应用程序的桌面版。 Telegram Desktop 2.9.2版本存在安全漏洞,该漏洞源于发送超大消息有效载荷,可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
TelegramTelegram Desktop 2.9.2 -
II. Public POCs for CVE-2021-47793
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III. Intelligence Information for CVE-2021-47793
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IV. Related Vulnerabilities
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