CVE-2025-9903 Memory corruption in CARPS2 Printer Driver
Out-of-bounds write in Canon printer drivers allows attackers to execute arbitrary code via malicious print jobs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-9903?
CVE-2025-9903 is a medium-severity memory corruption vulnerability in Canon Inc. CARPS2 Printer Driver, published on 29 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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
Weakness: CWE-787
Which versions are affected by CVE-2025-9903?
How do I fix CVE-2025-9903?
No fix has been published for CVE-2025-9903 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-9903 being exploited?
There is no known exploitation of CVE-2025-9903 in the wild and no public exploit code.
Sources
Also known as GHSA-w444-4f63-5wfr.