IBM® Db2® is vulnerable to a denial of service with a specially crafted query involving multiple subqueries_CVE-2026-1577

{
    "lastseen": "",
    "description": "IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an\u00a0authenticated user to cause a denial of service due to improper neutralization of special\u00a0elements in data query logic.",
    "published": "2026-04-30T21:49:24.614Z",
    "modified": "2026-04-30T21:49:24.614Z",
    "type": "cve",
    "title": "IBM\u00ae Db2\u00ae is vulnerable to a denial of service with a specially crafted query involving multiple subqueries",
    "source": "ibm",
    "references": "https://www.ibm.com/support/pages/node/7269434",
    "id": "CVE-2026-1577",
    "bulletinFamily": "",
    "cwe": null,
    "cvelist": null,
    "sourceData": "IBM Db2 11.5.0\nIBM Db2 12.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
        "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": "Db2",
    "version": "11.5.0",
    "vendor": "IBM",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}