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CVE-2026-86093

Db2 · Vulnerability

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-86093

Published

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds checking.

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Affected versions, risk and source history

Exploitation and risk

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Advisory history

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23 Oct 2026 15:48:27 UTC

IBM® Db2® federated server could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands under certain conditions

cve-program · CVE-2026-86093 · Published

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Sources read 13 Nov 22:42 UTC · 274 of 275 readable · 270 fully read · documentation 469/469 current

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