Db2 Merge BackupApplication · Ibm
CVE-2025-13108
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIBM DB2 Merge Backup for Linux, UNIX and Windows 12.1.0.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceIBM DB2 Merge Backup 12.1.0.0 contains a buffer that does not properly clear resources after use, allowing attackers to potentially read sensitive information remaining in memory. This is a memory disclosure vulnerability where residual data from buffer operations is not securely zeroed or freed, exposing confidential data to unauthorized actors with access to the affected system memory space.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
Db2 Merge BackupApplication
= 12.1.0.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify IBM DB2 Merge Backup is installedQuery the installed packages or application inventory for IBM DB2 Merge Backup component. Use system package manager or IBM installation tools (e.g., db2ls, IBM Installation Manager) to list installed IBM DB2 components.Affected if The IBM DB2 Merge Backup component is present on the system
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Determine the installed versionRun the appropriate command to retrieve the version of the IBM DB2 Merge Backup component. This may be done via db2pd, db2level, or IBM DB2 diagnostic commands that report component versions.Affected if The reported version is exactly 12.1.0.0
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Confirm the merge backup feature is in useReview DB2 configuration, scheduled jobs, or logs for any recent merge backup operations (db2mergebackup or related utilities). Check if the merge backup functionality has been executed on the system.Affected if Merge backup operations have been performed on the system
A system is affected if IBM DB2 Merge Backup version 12.1.0.0 is installed and the merge backup functionality is in use, exposing memory to potential residual data disclosure.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply IBM's available patch for this vulnerability. Until patched, minimize network exposure of the DB2 Merge Backup component and implement strict access controls. Consider memory-hardening configurations if available and monitor for unauthorized memory access attempts.
Fix this in Db2 Merge Backup
Scoped from the published advisory
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,448.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-13108 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-13108 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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