IBM Db2 denial of service (IBM Db2 for Linux, UNIX and Windows)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.39 % · percentile 33 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- ibm
- NVD status
- Modified
Description
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when connecting to a z/OS database due to improper handling of automatic client rerouting.
Weaknesses (CWE)
- CWE-770 — Allocation of Resources Without Limits or Throttling
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | ibm |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · psirt@us.ibm.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-13427
- GCVE · GCVE-0-2025-1000
CERT-FR advisories
- CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0083 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1131 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1013 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*≥ 11.5 ≤ 11.5.9cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*≥ 11.5 ≤ 11.5.9cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*≥ 11.5 ≤ 11.5.9cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*≥ 12.1.0 ≤ 12.1.1cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*≥ 12.1.0 ≤ 12.1.1cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*≥ 12.1.0 ≤ 12.1.1
Affected products
| Product | Versions |
|---|---|
| IBM · Db2 for Linux, UNIX and Windows | affected 11.5.0 ≤ 11.5.9 ; affected 12.1.0 ≤ 12.1.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |