CVE-2006-0925
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 · uneditedFormat string vulnerability in the IMAP4rev1 server in Alt-N MDaemon 8.1.1 and possibly 8.1.4 allows remote attackers to cause a denial of service (CPU consumption) by creating and then listing folders whose names contain format string specifiers.
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 confidenceFormat string vulnerability in Alt-N MDaemon's IMAP4rev1 server allows remote attackers to cause denial of service (CPU consumption) by creating folders with format string specifiers in their names and then listing those folders. The vulnerability stems from improper handling of user-supplied folder names containing format string characters (e.g., %s, %x) that get processed by format string functions.
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= 8.1.1= 8.1.4CVSS 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
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
AV:N/AC:L/Au:N/C:N/I:N/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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Verify MDaemon is installedLocate the MDaemon installation directory and check for the MDaemon executable, typically found in the program files folder where Alt-N software is installedAffected if MDaemon mail server software is present on the system
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Check installed MDaemon versionRun the MDaemon version check command or view the About information in the MDaemon application to identify the exact version numberAffected if The installed version is exactly 8.1.1 or exactly 8.1.4
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Confirm IMAP4rev1 server is enabledAccess the MDaemon configuration or service settings to verify the IMAP4rev1 server component is running and enabledAffected if IMAP4rev1 server is enabled and listening for connections
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Check IMAP service exposureReview network configuration or firewall rules to determine if the IMAP service (typically port 143) is accessible from remote network segmentsAffected if IMAP service is accessible from untrusted networks allowing remote connections
You are affected if MDaemon versions 8.1.1 or 8.1.4 are installed with the IMAP4rev1 server enabled and accessible, allowing users to create folders containing format string specifiers like %s or %x.
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 or patch MDaemon to a version that addresses this vulnerability; if patching is not feasible, implement input validation at the IMAP service boundary to reject folder names containing format string specifiers.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-0925 — 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-2006-0925 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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