CVE-2026-4892
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-4892
Vulnerability Information
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Vulnerability Title
CVE-2026-4892
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
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
DNSmasq 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DNSmasq是Simon Kelley个人开发者的一个DNS配置工具。 DNSmasq存在安全漏洞，该漏洞源于DHCPv6实现中的基于堆的越界写入，允许本地攻击者通过特制DHCPv6数据包以root权限执行任意代码。
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
II. Public POCs for CVE-2026-4892
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patch · 3Mailing list · 1Advisory · 1Vendor · 1
Same Patch Batch · dnsmasq · 2026-05-11 · 6 CVEs total
| CVE-2026-2291 | CVE-2026-2291 | |
| CVE-2026-4891 | CVE-2026-4891 | |
| CVE-2026-4893 | CVE-2026-4893 | |
| CVE-2026-4890 | CVE-2026-4890 | |
| CVE-2026-5172 | CVE-2026-5172 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-4892
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