Out of bounds stack write with crafted APL RR_CVE-2026-12246

{
    "lastseen": "",
    "description": "NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes.",
    "published": "2026-06-25T05:24:29.512Z",
    "modified": "2026-06-25T05:24:29.512Z",
    "type": "cve",
    "title": "Out of bounds stack write with crafted APL RR",
    "source": "NLnet Labs",
    "references": "https://www.nlnetlabs.nl/downloads/nsd/CVE-2026-12246.txt",
    "id": "CVE-2026-12246",
    "bulletinFamily": "",
    "cwe": [
        "CWE-120",
        "CWE-20"
    ],
    "cvelist": null,
    "sourceData": "NLnet Labs NSD 4.14.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.2,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "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": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "NSD",
    "version": "4.14.0",
    "vendor": "NLnet Labs",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}