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I. Basic Information for CVE-2026-40719
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Deadwood in MaraDNS 3.5.0036 allows attackers to exhaust connection slots via a zone whose authoritative nameserver address cannot be resolved.
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
控制流实现总是不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
MaraDNS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MaraDNS是Sam Trenholme个人开发者的一种开源域名系统实现,可以用作缓存,递归或权威名称服务器。 MaraDNS 3.5.0036版本存在安全漏洞,该漏洞源于无法解析权威域名服务器地址的域可能导致连接槽耗尽。
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
MaraDNSMaraDNS 3.5.0036 -
II. Public POCs for CVE-2026-40719
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III. Intelligence Information for CVE-2026-40719
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IV. Related Vulnerabilities
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