CVE-2007-6403
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 · uneditedStack-based buffer overflow in Nullsoft Winamp 5.32 allows user-assisted remote attackers to execute arbitrary code via crafted unicode in a .mp4 file, with crafted tags, contained in a certain .rar archive, a related issue to CVE-2007-2498. NOTE: for exploitation, the victim must select a certain menu option at the time of the attack.
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 confidenceStack-based buffer overflow in Nullsoft Winamp 5.32 allows remote code execution via crafted Unicode characters in MP4 file tags embedded within a RAR archive. The vulnerability requires user interaction—the victim must select a specific menu option during the attack. This is a user-assisted remote code execution flaw affecting the MP4 parsing component.
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= 5.32CVSS 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
- M
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
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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Confirm Winamp versionCheck the installed Winamp version (typically via Help > About Winamp, or check the executable file properties of winamp.exe)Affected if The installed version is exactly 5.32 (no patches applied)
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Verify MP4 file support is enabledConfirm that MP4 file type association or playback support is enabled in Winamp (check Settings > Options > File Types)Affected if MP4 support is enabled and Winamp can parse MP4 metadata tags
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Check RAR archive handling capabilityDetermine if Winamp has a RAR input plugin or can process files within RAR archives (check installed input plugins or Winamp preferences)Affected if RAR archive handling or any plugin allowing extraction/playback from RAR is enabled
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Identify menu interaction behavior with RAR-embedded mediaObserve whether Winamp presents any menu options when opening or processing media files extracted from RAR archives (the exploit requires user selecting a specific menu prompt)Affected if Winamp displays menu prompts or context options when handling MP4 files from RAR archives
You are affected only if Winamp version is exactly 5.32 AND MP4 playback from RAR archives is enabled AND you interact with specific menu prompts from such files.
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 Winamp to a patched version beyond 5.32, and avoid opening untrusted RAR archives containing MP4 files or selecting suspicious menu prompts from such files.
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 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 $1,200.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2007-6403 — 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-2007-6403 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data