PT-2026-5455 · Ibm · Db2 Connect Server+1

Published 2026-01-30 · Updated 2026-01-31 · CVE-2025-36387

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) versions 11.5.0 through 11.5.9

Description An authenticated user can potentially cause a denial of service by submitting a specially crafted query.

Recommendations Update IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) to a newer version that addresses this issue.

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

CVE-2025-36387

Affected Products

Db2 Connect Server

Ibm Db2 For Linux

References · 8

• https://ubuntu.com/security/CVE-2025-36387 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-36387 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-36387 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-36387 · Security Note
• https://osv.dev/vulnerability/CVE-2025-36387 · Vendor Advisory
• https://twitter.com/CVEnew/status/2017354535467970600 · Twitter Post
• https://ibm.com/support/pages/node/7257690 · Patch, Vendor Advisory
• https://t.me/CVEtracker/43332 · Telegram Post