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Db2 (11.5.0 Through 11.5.9)

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medium advisory

IBM Db2 Vulnerable to Denial-of-Service via Crafted Query (CVE-2026-1718)

IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4 are vulnerable to a denial-of-service (DoS) attack via a specially crafted query when autonomous transactions are enabled, potentially leading to service disruption.

Db2 +1 dos cve-2026-1718 denial of service
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