What is CVE-2025-14234?

CVE-2025-14234 is a critical-severity vulnerability in Canon Lbp1238_ii, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-01-16.

How severe is CVE-2025-14234?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Canon Lbp1238_ii

CVE-2025-14234

Buffer overflow in CPCA list processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Sat…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)
f98c90f0-e9bd-4fa7-911b-51993f3571fd (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-14234?: CVE-2025-14234 is a critical-severity vulnerability in Canon Lbp1238_ii, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-01-16.
How severe is CVE-2025-14234?: Critical severity. CVSS v3 base score is 9.8 out of 10.