Description
IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to cause a denial of service due to an out-of-bounds read.
Published: 2026-09-04
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Patch Now
AI Analysis

Impact

IBM Db2 Mirror for i suffers an out‑of‑bounds read that allows a remote attacker to cause a denial of service by triggering a crash of the mirroring service, thereby interrupting database replication.

Affected Systems

IBM Db2 Mirror for i released as 7.4, 7.5 and 7.6 on IBM i systems are affected; the vulnerability is present in all three major versions and is mitigated by their respective IBM i Release point fixes.

Risk and Exploitability

The CVSS score of 5.3 indicates a moderate severity. EPSS data is not available and the vulnerability is not listed in the CISA KEV catalog. The description states that a remote attacker can trigger the defect, implying a network‑based attack vector using the mirroring interface; exploitation would result in service interruption without compromising data confidentiality or integrity.

Generated by OpenCVE AI on September 4, 2026 at 17:56 UTC.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now. IBM i Release 5770-SS1 PTF Numbers PTF Download Link 7.4 SJ11153 SJ11193 SJ11207 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11153 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11193 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11207 7.5 SJ11152  SJ11194 SJ11206 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11152 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11194 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11206 7.6 SJ11151 SJ11195 SJ11205 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11151 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11195 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11205 https://www.ibm.com/support/fixcentral

OpenCVE Recommended Actions

  • Apply the IBM PTFs for your release: for 7.4 use SJ11153, SJ11193, SJ11207; for 7.5 use SJ11152, SJ11194, SJ11206; for 7.6 use SJ11151, SJ11195, SJ11205.
  • Restart the Db2 Mirror for i service after applying the patches to load the updated code.
  • Restrict remote access to the Db2 Mirror for i daemon to trusted hosts whenever possible.

Generated by OpenCVE AI on September 4, 2026 at 17:56 UTC.

Tracking

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Advisories

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History

Tue, 08 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:db2_mirror_for_i:*:*:*:*:*:*:*:*

Fri, 04 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote attacker to cause a denial of service due to an out-of-bounds read.
Title IBM Db2 Mirror for i is affected by multiple vulnerabilities [, , ]
First Time appeared Ibm
Ibm db2 Mirror For I
Weaknesses CWE-125
CPEs cpe:2.3:a:ibm:db2_mirror_for_i:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_mirror_for_i:7.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_mirror_for_i:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_mirror_for_i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_mirror_for_i:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2_mirror_for_i:7.6:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm db2 Mirror For I
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Subscriptions

Ibm Db2 Mirror For I
cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-09-10T21:00:33.577Z

Reserved: 2026-07-22T19:42:17.628Z

Link: CVE-2026-16660

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-09-04T17:16:52.117

Modified: 2026-09-10T21:17:19.583

Link: CVE-2026-16660

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-04T22:45:03Z

Weaknesses