CVE-2021-25494: Samsung Notes

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A possible buffer overflow vulnerability in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows arbitrary code execution.

Affected products

• Samsung Notes: before 4.3.02.61 (fixed in 4.3.02.61)

Published 2021-10-06. Last modified 2026-06-17.