CVE-2025-9903
CVE-2025-9903 is a medium-severity vulnerability with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v4: 5.9
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-31486
- Weakness: CWE-787
- Published:
- Last modified:
Description
Out-of-bounds write vulnerabilities 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
Frequently asked questions
- What is CVE-2025-9903?
- Out-of-bounds write vulnerabilities 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
- How severe is CVE-2025-9903?
- CVE-2025-9903 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability low.
- Is CVE-2025-9903 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-9903?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-9903 have an EU (EUVD) identifier?
- Yes. CVE-2025-9903 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31486.
- When was CVE-2025-9903 published?
- CVE-2025-9903 was published on 2025-09-29 and last updated on 2026-06-17.
References
- https://canon.jp/support/support-info/250925vulnerability-response
- https://psirt.canon/advisory-information/cp2025-005/
- https://www.canon-europe.com/support/product-security/
- 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
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