CVE-2024-31166
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 · uneditedOut-of-bounds Read vulnerability in Open Networking Foundation (ONF) libfluid (libfluid_msg module). This vulnerability is associated with program routine fluid_msg::of13::HelloElemVersionBitmap::unpack. This issue affects libfluid: 0.1.0.
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 confidenceAn out-of-bounds read vulnerability exists in the fluid_msg::of13::HelloElemVersionBitmap::unpack routine in libfluid 0.1.0. The vulnerability occurs during unpacking of OpenFlow 1.3 HelloElem version bitmap messages, where insufficient bounds validation allows reading memory beyond the allocated buffer, potentially exposing sensitive memory contents or causing denial of service.
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= 0.1.0CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify if libfluid is installedLocate the libfluid library in your environment - check for libfluid package, source code directory, or dependent software that may bundle libfluid.Affected if libfluid is present in the system
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Determine the installed version of libfluidQuery the installed libfluid version using your package manager, build system, or by inspecting library metadata.Affected if The version is 0.1.0 exactly
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Check if OpenFlow 1.3 is enabledDetermine whether your environment uses OpenFlow 1.3 protocol - review configuration files, software documentation, or network controller settings for of13 or OpenFlow 1.3 usage.Affected if OpenFlow 1.3 is actively used or configured
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Verify the HelloElemVersionBitmap unpack code is exercisedIdentify if your environment processes HelloElem version bitmap messages - this is part of OpenFlow 1.3 Hello message negotiation between controllers and switches.Affected if OpenFlow 1.3 Hello message negotiation is performed
You are affected if libfluid version 0.1.0 is installed and OpenFlow 1.3 Hello message exchange is performed in your environment.
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 dataUpgrade libfluid to a patched version if available, or implement proper bounds checking in the HelloElemVersionBitmap::unpack routine to validate buffer lengths before reading version bitmap data.
- Consultation3.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,568.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-31166 — 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-2024-31166 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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- Version or environment caveats, and links to real fixes
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