CVE-2025-9903

Out-of-bounds write vulnerabilities in print processing of Generic Plus PCL6 Printer Driver /...

5.9 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Active

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: Low

Exploit likelihood

0.36%Up 0.3 points since Sep 29, 2025

What each source reports

CVE List Score used 5.9

Record: CVE-2025-9903
CVSS 4.0: 5.9 MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2025-31486 5.9

Record: EUVD-2025-31486
CVSS 4.0: 5.9 MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-w444-4f63-5wfr 5.9

Out-of-bounds write vulnerabilities in print processing of Generic Plus PCL6 Printer Driver /...

Record: GHSA-w444-4f63-5wfr
CVSS 4.0: 5.9 MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L
Weakness: CWE-787
Updated: 2026-11-02

NVD 5.9

Record: CVE-2025-9903
CVSS 4.0: 5.9 MediumCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 5.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L
Weakness: CWE-787
Updated: 2026-11-02

Affected products

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canon inc. ufrii lt printer driver

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-9903 is a medium vulnerability (CVSS 5.9) in Canon Inc. Carps2 Printer Driver, published September 29, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.