#VU105289 Out-of-bounds write in Samsung Notes - CVE-2025-20933

Vulnerability identifier: #VU105289

Vulnerability risk: Low

CVSSv4.0: 6.1 [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-2025-20933

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samsung Notes
Mobile applications / Apps for mobile phones

Vendor: Samsung

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Samsung Notes: before 4.4.26.71

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External links
https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=03

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.