CVE-2008-1928
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 Imager 0.42 through 0.63 allows attackers to cause a denial of service (crash) via an image based fill in which the number of input channels is different from the number of output channels.
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 in Imager Perl library versions 0.42-0.63 allows denial of service via crafted image-based fill operations where the number of input channels differs from the number of output channels, causing a crash.
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= 0.42= 0.43= 0.43_03= 0.44= 0.44_01= 0.45= 0.45_02= 0.46= 0.47= 0.48= 0.49= 0.49_01CVSS 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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Check Imager Perl library versionRun 'perl -MImager -e "print $Imager::VERSION"' or check installed package version via your system's package manager (cpan, rpm, deb, etc.)Affected if Version is 0.42 through 0.63 (including 0.43_03, 0.44_01, 0.45_02, 0.49_01)
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Identify image-based fill operations in codeSearch Perl source files for uses of Imager's fill() method where the fill source is an image object (not a solid color). Look for patterns like $img->fill(image=>$fillimg) or similarAffected if Code performs image-based fills using Imager
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Determine channel counts in fill operationsInspect the source image (fill) and destination image to determine their number of channels (1=grayscale, 2=grayscale+alpha, 3=RGB, 4=RGBA). Check via $img->getchannels or similar Imager methodsAffected if Source image and destination image have different channel counts
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Trigger the conditionThis check is informational: if steps 1-3 show version 0.42-0.63 AND image-based fills with mismatched channels exist, the environment is affectedAffected if All three conditions are true: affected version range AND image-based fills AND channel count mismatch between source and destination
A system is affected if it runs Imager version 0.42 through 0.63 and executes code that uses image-based fill operations where the source image and destination image have different numbers of color channels.
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 Imager to a version later than 0.63, or audit code using Imager to avoid image-based fills with mismatched channel counts between source and destination.
- Consultation2.0 h
- Implementation1.0 h
- Testing3.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2008-1928 — 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-2008-1928 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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