Db2Application · Ibm
CVE-2024-41761
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 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.
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 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 is vulnerable to denial of service via a specially crafted query that can cause the server to crash. The vulnerability is network-exploitable and does not require authentication based on the CVSS vector.
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
Db2Application
= 10.5= 11.1= 11.5CVSS 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
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
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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Determine installed Db2 versionRun command 'db2level' or 'db2pd -versions' from a Db2 instance owner accountAffected if The displayed version matches 10.5, 11.1, or 11.5 exactly, indicating the instance is running an affected release
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Verify Db2 network listener is activeRun 'netstat -an | grep -E "50000|50001"' or 'ss -tlnp | grep db2' to check if Db2 is listening on TCP ports (default instance port is 50000)Affected if Db2 is listening on TCP ports and accepts remote connections, making the vulnerability network-exploitable
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Confirm no query filtering or monitoring is in placeInspect Db2 configuration for query oversight controls: run 'db2 get dbm cfg | grep -i' for相关监控参数, or check if external Web Application Firewall or database firewall is forwarding traffic to Db2Affected if No query analysis, filtering, or blocking mechanism exists between network clients and the Db2 engine, allowing malformed queries to reach the database unvetted
A user is affected if their Db2 installation shows version 10.5, 11.1, or 11.5 AND the database accepts remote TCP connections without any query validation layer in front of it.
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 the IBM Db2 patch for CVE-2024-41761 when available, or implement query analysis/monitoring controls to detect and block malformed queries before reaching the database engine.
Fix this in Db2
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-41761 — 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-2024-41761 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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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