CVE-2024-57513
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 · uneditedA floating-point exception (FPE) vulnerability exists in the AP4_TfraAtom::AP4_TfraAtom function in Bento4.
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 floating-point exception (FPE) vulnerability exists in Bento4's AP4_TfraAtom::AP4_TfraAtom function when parsing the tfra (track fragment reference) atom in MP4 container files. This suggests the parser fails to validate certain numerical values before performing arithmetic operations, allowing crafted MP4 files to trigger division-by-zero or other arithmetic faults.
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
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 Bento4 library version in useSearch for Bento4 libraries in your application dependencies (check package.json, requirements.txt, CMakeLists.txt, or binary/dll files). Run 'strings' or 'grep' on compiled binaries for 'Bento4' or 'AP4' identifiers and look for version strings like 'Bento4 version X.X.X' or 'libap4 version X.X.X'.Affected if The installed Bento4 version falls within any unpatched version range (compare your version against the vendor's security advisory once released).
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Confirm MP4 parsing functionality is activeReview application code or configuration to determine if the Bento4 library is used to parse MP4 container files. Search for AP4_File::Parse, AP4_Movie, or similar MP4 parsing API calls in the codebase.Affected if The application parses MP4 files using Bento4, which loads and processes atoms including the tfra (track fragment reference) atom.
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Identify tfra atom parsing pathSearch codebase for references to AP4_TfraAtom, 'tfra', or track fragment reference handling. Check if MP4 files being processed are from untrusted sources (user uploads, network streams, or external inputs).Affected if The application processes MP4 files from untrusted sources and the Bento4 parser reaches the tfra atom parsing code path without additional validation.
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Check for input validation on MP4 filesInspect any pre-processing, validation, or sanitization logic applied to MP4 files before they are passed to Bento4's AP4_TfraAtom constructor. Look for file format validation, size checks, or schema validation routines.Affected if No input validation is performed on MP4 files before parsing, allowing potentially malformed tfra atoms to reach the vulnerable code.
You are affected if your application uses Bento4 to parse MP4 files from untrusted sources and the library version has not been patched to address the division-by-zero vulnerability in AP4_TfraAtom::AP4_TfraAtom.
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 vendor patch when available; in the interim, implement input validation in the AP4_TfraAtom constructor to ensure values used in division or array indexing operations are checked before use, and sanitize or reject malformed tfra atoms.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-57513 — 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-2024-57513 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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