Buffer overflow in Canon Inc. Carps2 Printer Driver
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
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (27.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Canon Inc. Carps2 Printer Driver — versions 31.05 and earlier
- Canon Inc. Generic Fax Driver — versions 10.67 and earlier
- Canon Inc. Generic Plus Lips4 Printer Driver — versions 3.30 and earlier
- Canon Inc. Generic Plus Lipslx Printer Driver — versions 3.30 and earlier
- Canon Inc. Generic Plus Pcl6 Printer Driver — versions 3.30 and earlier
- Canon Inc. Generic Plus Ps Printer Driver — versions 3.30 and earlier
- Canon Inc. Generic Plus Ufr Ii Printer Driver — versions 3.30 and earlier
- Canon Inc. Lips4 Printer Driver — versions 15.00 and earlier
- Canon Inc. Lipslx Printer Driver — versions 15.00 and earlier
- Canon Inc. Pcl6 Printer Driver — versions 15.00 and earlier
Weakness classification (CWE)
Public proof-of-concept exploits
References
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory)
- f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory)
Frequently asked questions
- What is CVE-2025-9903?
- CVE-2025-9903 is a medium-severity vulnerability in Canon Inc. Carps2 Printer Driver, classified under Out-of-bounds Write. CVSS score: 5.9/10. Published 2025-09-29.
- How severe is CVE-2025-9903?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2025-9903 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.