IBM DB2 UDB 9.1 before Fixpak 4 does not properly handle use of large numbers of file descriptors, which might allow attackers to have an unknown impact involving "memory corruption." NOTE: the vendor description of this issue is too vague to be certain that it is security-related.
Conclusion & alert: CVE-2007-6053 is rated Moderate Risk (61.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.27%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.43% | 1.27% | +0.84% |
| 2 | 2025-03-30 | 1.39% | 0.43% | -0.96% |
| 3 | 2025-03-29 | — | 1.39% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | db2_universal_database | <= 9.1 | cpe:2.3:a:ibm:db2_universal_database:*:*:fp3a:*:*:*:*:* |