CVE-2013-6932
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 · uneditedBuffer overflow in IrfanView before 4.37, when a multibyte-character directory name is used, allows user-assisted remote attackers to execute arbitrary code via a crafted file that is incorrectly handled by the Thumbnail tooltips feature in the Thumbnails window.
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 confidenceBuffer overflow vulnerability in IrfanView thumbnail tooltips feature allows remote code execution when processing crafted files in directories containing multibyte-character names. The vulnerability requires user-assisted interaction (e.g., opening a malicious file in the thumbnails window).
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<= 4.36= 4.00= 4.10= 4.20= 4.23= 4.25= 4.27= 4.28= 4.30= 4.32= 4.33= 4.35CVSS 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
- High
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:N/AC:H/Au:N/C:C/I:C/A:C
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 IrfanView is installedSearch for IrfanView executable (i_view32.exe or i_view64.exe) in typical installation directories such as C:\Program Files\IrfanView or C:\Program Files (x86)\IrfanView, or check Add/Remove Programs for IrfanView.Affected if IrfanView is present on the system.
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Identify the installed IrfanView versionRight-click the IrfanView executable (i_view32.exe or i_view64.exe), select Properties, and view the File Version tab. Alternatively, open IrfanView and go to Help > About to display the version number.Affected if The version number displayed is 4.36 or lower, or matches any of these specific versions: 4.00, 4.10, 4.20, 4.23, 4.25, 4.27, 4.28, 4.30, 4.32, 4.33, or 4.35.
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Determine if the thumbnails feature has been usedCheck if the user frequently opens the thumbnails window (File > Thumbnails or pressing T) to view image collections, or inspect recent file access patterns for thumbnail-related activity.Affected if Users routinely employ the thumbnails feature to browse image directories.
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Assess directory naming conventionsReview directories containing image files for the presence of multibyte or non-ASCII characters in folder names (such as characters from Cyrillic, Chinese, Japanese, Arabic, or other Unicode scripts).Affected if Image directories contain folder names with multibyte or non-ASCII characters and users open these files using the thumbnails feature.
The system is likely affected if IrfanView version 4.36 or lower is installed AND users employ the thumbnails feature to open images from directories with multibyte-character folder names.
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 IrfanView to version 4.37 or later. As a defensive measure, avoid opening untrusted image files using the thumbnails feature and ensure users do not have write access to directories with multibyte character names that could contain malicious files.
- Consultation1.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2013-6932 — 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-2013-6932 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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