CVE-2026-42255
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I. Basic Information for CVE-2026-42255
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
特定函数功能的不正确供给
Source: NVD (National Vulnerability Database)
Vulnerability Title
Technitium DNS Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Technitium DNS Server是Technitium团队的一个开源的权威和递归 DNS 服务器。可用于自托管 DNS 服务器以保护隐私和安全。 Technitium DNS Server 15.0之前版本存在安全漏洞，该漏洞源于循环名称服务器委派，可能导致DNS流量放大。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Technitium | DnsServer | 0 ~ 15.0.0 | - |
II. Public POCs for CVE-2026-42255
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
V. Comments for CVE-2026-42255
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