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I. Basic Information for CVE-2021-40516
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
WeeChat 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeeChat是一款可扩展的即时聊天客户端应用程序。 WeeChat 存在安全漏洞,该漏洞源于 3.2.1 版本之前的 WeeChat 允许远程攻击者通过精心制作的 WebSocket 框架触发 Relay 插件中 plugins/relay/relay-websocket.c 中的越界读取,导致拒绝服务(崩溃)。
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
-n/a n/a -
II. Public POCs for CVE-2021-40516
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III. Intelligence Information for CVE-2021-40516
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IV. Related Vulnerabilities
V. Comments for CVE-2021-40516

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