What’s Vulnerable › Vulnerabilities

CVE-2021-25495

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-06 · updated 2026-06-17
• Weakness: CWE-122

Description

A possible heap 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 Mobile Samsung Notes: before 4.3.02.61 — fixed in 4.3.02.61

How to fix

Upgrade to a fixed version: Samsung Mobile Samsung Notes 4.3.02.61. Check the vendor advisory for mitigations.

References

• https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=10
• https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=10

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