#VU113644 Out-of-bounds write in Samsung Blockchain Keystore - CVE-2025-21020

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Main Vulnerability Database Vulnerabilities #VU113644

#VU113644 Out-of-bounds write in Samsung Blockchain Keystore - CVE-2025-21020

Published: August 5, 2025


Vulnerability identifier: #VU113644
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21020
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Samsung Blockchain Keystore
Software vendor:
Samsung

Description

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in creating bitmap images. A local user can trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links