CVE-2018-14050
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 issue has been found in libwav through 2017-04-20. It is a SEGV in the function wav_free in libwav.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 · moderate confidenceA segmentation fault (SEGV) vulnerability exists in the wav_free function in libwav.c (versions through 2017-04-20). The crash likely results from improper memory handling, such as a null pointer dereference, double-free, or use-after-free when freeing WAV audio file structures. An attacker could trigger a denial of service by providing a specially crafted or malformed WAV file to be processed by the library.
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<= 2017-04-20CVSS 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:3.0/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 libwav library versionLocate the libwav library or source code in your environment. Check the version information in the library binary, header files, or source code repository tags. If using source code, examine the modification date of libwav.c or the version control history.Affected if The version is dated on or before 2017-04-20, or no version newer than the fix date is installed.
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Locate the wav_free function usageSearch your codebase for calls to wav_free function from the libwav library. Review source files that include libwav.h and process WAV audio files.Affected if Your application calls wav_free to free WAV audio structures.
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Verify input handling for WAV filesExamine how your application processes WAV file input before passing it to libwav functions. Check if the code validates WAV file structure, headers, or input pointers before calling wav_free.Affected if WAV files are processed without proper validation, or wav_free is called on potentially uninitialized or NULL pointers.
Your environment is affected if you are using libwav version 2017-04-20 or earlier and your code calls wav_free to process WAV audio files without validating input pointers first.
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 dataUpdate libwav to a version released after 2017-04-20 that contains the fix, or add null-pointer validation and proper error handling around wav_free calls in existing code to prevent crashes from invalid inputs.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2018-14050 — 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-2018-14050 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
- No weaponised exploit code, or anything meant to cause harm
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