CVE-2024-32606
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 · uneditedHDF5 Library through 1.14.3 may attempt to dereference uninitialized values in h5tools_str_sprint in tools/lib/h5tools_str.c (called from h5tools_dump_simple_data in tools/lib/h5tools_dump.c).
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 · high confidenceHDF5 Library through version 1.14.3 contains a memory safety vulnerability in the h5tools_str_sprint function in tools/lib/h5tools_str.c where uninitialized values may be dereferenced when processing HDF5 data. This occurs when called from h5tools_dump_simple_data during file dumping operations, potentially leading to undefined behavior or information disclosure when processing specially crafted HDF5 files.
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< 1.14.4CVSS 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
- Local
- Complexity
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/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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Check HDF5 library versionRun 'h5dump --version' or check your installed package version (e.g., dpkg -l libhdf5-dev, rpm -qa hdf5, or pip show h5py)Affected if Version is earlier than 1.14.4 (e.g., 1.14.3, 1.14.2, 1.14.1, etc.)
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Confirm HDF5 tools are installedCheck for presence of h5dump, h5ls, h5diff, or other HDF5 command-line tools in your PATH (run 'which h5dump' or 'which h5ls')Affected if HDF5 tools are installed and available on the system
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Verify tools link to vulnerable libraryRun 'ldd $(which h5dump)' or check the shared library version loaded by HDF5 tools (look for libhdf5.so version)Affected if The linked libhdf5 library version is < 1.14.4
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Identify files processed by HDF5 toolsReview any automated scripts or workflows that invoke h5dump or similar tools on external or untrusted HDF5 filesAffected if HDF5 tools are used to dump or inspect files from untrusted sources
You are affected if your installed HDF5 library version is earlier than 1.14.4 AND you use HDF5 command-line tools (h5dump, etc.) to process files, as the vulnerability lies in the tools' code path.
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.
dbcve · scoped1.14.4
Upgrade to HDF5 Library version 1.14.4 or later which contains the fix for this uninitialized value dereference issue. As a workaround, avoid using the HDF5 tools (h5dump, etc.) on untrusted HDF5 files until patched.
HDF5 1.14.4 or later
- 1. Identify the current HDF5 version installed in your system (e.g., check via 'h5dump --version' or review build artifacts)
- 2. If the version is less than 1.14.4, plan for an upgrade to version 1.14.4 or later
- 3. Download HDF5 version 1.14.4 or newer from the official HDF5 release archive (www.hdfgroup.org) or your system's package manager
- 4. Compile and install the new version following standard HDF5 build procedures (configure, make, make install)
- 5. Rebuild any applications or tools that link against the HDF5 library to ensure they use the updated version
- 6. Verify the installation by checking that 'h5dump --version' or equivalent shows version 1.14.4 or later
- 7. Test that existing HDF5 files can be read/written correctly with the updated library
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-32606 — 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-2024-32606 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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