CVE-2024-55195
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 · uneditedAn allocation-size-too-big bug in the component /imagebuf.cpp of OpenImageIO v3.1.0.0dev may cause a Denial of Service (DoS) when the program to requests to allocate too much space.
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 confidenceA memory allocation-size-too-big vulnerability exists in OpenImageIO's imagebuf.cpp component (v3.1.0.0dev). When the program requests allocation of excessively large memory buffers without proper bounds validation, it can trigger allocation failures leading to a Denial of Service condition.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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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Check if OpenImageIO is installedRun 'oiioversion' command or check for libOpenImageIO shared library (e.g., /usr/lib/libOpenImageIO.so or similar path depending on OS)Affected if OpenImageIO is not found on the system, the vulnerability does not apply
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Identify the installed OpenImageIO versionExecute 'oiioversion' and note the version string, or query the library file with 'strings libOpenImageIO.so | grep -i version' or check package manager (dpkg -l, rpm -qa)Affected if Version is v3.1.0.0dev or any 3.1.x development build prior to patch
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Confirm the imagebuf.cpp component is in useCheck if any application links against libOpenImageIO and processes images - review application dependencies or trace runtime library loading (ldd)Affected if The component imagebuf.cpp is actively loaded and used by image processing workflows
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Verify large buffer allocation triggers are possibleReview application logs or enable debugging to observe if image dimensions or buffer size parameters are processed by OpenImageIO functions in imagebuf.cppAffected if Application processes images with dimensions that could cause allocation attempts exceeding safe limits
A system is affected if OpenImageIO v3.1.0.0dev is installed and image processing workflows using the imagebuf component are actively processing image files that could trigger oversized memory allocation requests.
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 to a patched version of OpenImageIO if available; otherwise, implement input validation and size checks on all memory allocation requests in imagebuf.cpp to prevent excessive allocation attempts.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-55195 — 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-2024-55195 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
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