CVE-2026-6051
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service when executing a specially crafted query with a small statement heap.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | Db2 | 11.5.0 <= 11.5.9 | affected |
| IBM | Db2 | 12.1.0 <= 12.1.4 | affected |
Weaknesses
- CWE-400: CWE-400 Uncontrolled Resource Consumption
Workarounds
- Increase statement heap by setting larger STMTHEAP.
or
- Reduce optimization level to 0. The user can append a optimizer guideline to the query:
<query>
/* <OPTGUIDELINES>
<QRYOPT VALUE='0'/>
</OPTGUIDELINES> */
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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