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I. Basic Information for CVE-2026-1577
Vulnerability Information
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Vulnerability Title
IBM® Db2® is vulnerable to a denial of service with a specially crafted query involving multiple subqueries
Source: NVD (National Vulnerability Database)
Vulnerability 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 authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
IBMDb2 11.5.0 ~ 11.5.9 cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-1577
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III. Intelligence Information for CVE-2026-1577
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IV. Related Vulnerabilities
Same product: Db2
Same vendor: IBM
V. Comments for CVE-2026-1577

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