Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records_CVE-2026-45674

{
    "lastseen": "",
    "description": "Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue.",
    "published": "2026-06-12T14:17:50.203Z",
    "modified": "2026-06-12T15:03:49.419Z",
    "type": "cve",
    "title": "Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records",
    "source": "GitHub_M",
    "references": "https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc\nhttps://github.com/netty/netty/releases/tag/netty-4.1.135.Final\nhttps://github.com/netty/netty/releases/tag/netty-4.2.15.Final",
    "id": "CVE-2026-45674",
    "bulletinFamily": "",
    "cwe": [
        "CWE-345"
    ],
    "cvelist": null,
    "sourceData": "netty netty >= 4.2.0.Final, < 4.2.15.Final\nnetty netty < 4.1.135.Final",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "netty",
    "version": ">= 4.2.0.Final, < 4.2.15.Final",
    "vendor": "netty",
    "ai_description": "DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records",
    "ai_severity": "High",
    "ai_vendor": "The Netty Project",
    "ai_product": "Netty",
    "ai_version": "4.1.0.Final to 4.1.134.Final, 4.2.0.Final to 4.2.14.Final",
    "ai_score": 8.7
}