CVE-2025-0235Network attack vector

Printing interruption via improper image-rendering memory release

Published Feb 26, 2025 · Updated Feb 26, 2025

Out-of-bounds write in Canon Generic PCL6, UFR II, and LIPSLX V4 Printer Drivers 2.1 and earlier allows remote attackers to interrupt printing. Improper memory release during image rendering permits an out-of-bounds write while the driver processes a crafted XPS document. Exploitation requires the crafted document to be printed; Canon reports that normal XPS documents are unaffected and that the flaw neither exposes nor alters data.

CVSS severity5.3
Medium
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Canon Generic PCL6, UFR II, and LIPSLX V4 Printer Drivers 2.1 and earlier allows remote attackers to interrupt printing. Improper memory release during image rendering permits an out-of-bounds write while the driver processes a crafted XPS document. Exploitation requires the crafted document to be printed; Canon reports that normal XPS documents are unaffected and that the flaw neither exposes nor alters data.

The record

CVE
CVE-2025-0235
Published
Feb 26, 2025
Updated
Feb 26, 2025
Vendor
Canon Inc.
Product
Generic PCL6 V4 Printer Driver
Classifications
CWE-787, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.1 and earlier

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Canon Inc. · Generic PCL6 V4 Printer Driverversion=2.1 and earlier
Canon Inc. · Generic LIPSLX V4 Printer Driverversion=2.1 and earlier
Canon Inc. · Generic UFR II V4 Printer Driverversion=2.1 and earlier

Published CVSS scores

5.3Canon Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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