The "Query Compiler, Rewrite, Optimizer" component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted query involving certain UNION ALL views, leading to an indefinitely large amount of compilation time
Published Oct 5, 2010
2.1
LOWCVSS 2.0
EPSS 0.93%
Description
The "Query Compiler, Rewrite, Optimizer" component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted query involving certain UNION ALL views, leading to an indefinitely large amount of compilation time.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.93% (0.00934) | 59.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.95% (0.00953) | 56.55th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00406) | 59.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00297) | 70.21th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00300) | 68.68th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00300) | 64.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
References (3)
- ftp://public.dhe.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT x_refsource_CONFIRM
- http://www-01.ibm.com/support/docview.wss?uid=swg1IZ58417 vendor-advisoryx_refsource_AIXAPARVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14736 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| ftp://public.dhe.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v95/APARLIST.TXT | x_refsource_CONFIRM | |
| http://www-01.ibm.com/support/docview.wss?uid=swg1IZ58417 | vendor-advisoryx_refsource_AIXAPARVendor Advisory | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14736 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.