CVE-2026-1352

Summary

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.

Affected Software

VendorProductVersion RangeStatus
IBMDb211.5.0 <= 11.5.9affected
IBMDb212.1.0 <= 12.1.4affected

Weaknesses

  • CWE-1284: CWE-1284 Improper Validation of Specified Quantity in Input

Workarounds

Set the following registry variable to avoid SORT operations that are used for some JOIN optimization techniques:

db2set -im DB2_REDUCED_OPTIMIZATION="NO_SORT_NLJOIN,NO_SORT_MGJOIN"

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References