Out-of-bounds write in Samsung Notes - CVE-2025-21070

 

Out-of-bounds write in Samsung Notes - CVE-2025-21070

Published: October 8, 2025


Vulnerability identifier: #VU116838
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-21070
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Samsung
Affected software:
Samsung Notes

Detailed vulnerability description

The vulnerability allows a local attacker to compromise vulnerable system.

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


How to mitigate CVE-2025-21070

Install updates from vendor's website.

Sources