CVE-2021-25493: Samsung Notes

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read

Affected products

• Samsung Notes: up to and including 4.3.02.61

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