CVE-2025-0235
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 · uneditedOut-of-bounds vulnerability due to improper memory release during image rendering in Generic PCL6 V4 Printer Driver / Generic UFR II V4 Printer Driver / Generic LIPSLX V4 Printer Driver.
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 confidenceThis is an out-of-bounds memory vulnerability in Canon Generic PCL6 V4, UFR II V4, and LIPSLX V4 Printer Drivers caused by improper memory release during image rendering. The memory management flaw could allow an attacker to trigger out-of-bounds read/write operations, potentially leading to information disclosure or unexpected behavior.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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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List installed Canon printer driversOpen Windows Settings > Devices > Printers & scanners, or run 'Get-Printer | Where-Object {$_.DriverName -like "*Canon*"}' in PowerShell to enumerate Canon printer driversAffected if Any Canon Generic PCL6 V4, UFR II V4, or LIPSLX V4 driver is listed as installed
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Identify specific driver typeIn Printer Properties, check the Driver or Driver Version field. Alternately, check the driver file properties in C:\Windows\System32\spool\drivers\x64\ or the WMI driver detailsAffected if Driver name contains 'PCL6 V4', 'UFR II V4', or 'LIPSLX V4'
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Locate driver version numberRight-click the Canon printer > Printer Properties > General tab > click 'Driver version'. Or use PowerShell: Get-PrinterDriver | Select-Object Name, DriverVersionAffected if Driver version cannot be determined or is earlier than the patched version (compare against Canon's current driver release)
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Verify image rendering is in useThe vulnerability triggers during image rendering. Check if print jobs involving images (e.g., PDFs, photos, graphics) are commonly processed through these drivers. Review recent print logs in C:\Windows\System32\spool\PRINTERS if availableAffected if The driver processes image-heavy print jobs; the flaw requires image rendering to be triggered
A user is affected if they have Canon Generic PCL6 V4, UFR II V4, or LIPSLX V4 printer drivers installed with an unpatched version that processes image-based print jobs.
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 dataApply the vendor patch by updating the affected Canon printer drivers to the latest versions available from Canon's support website.
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,480.
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Free · runs locallyCheck whether your project pulls in CVE-2025-0235 — 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-2025-0235 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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