CVE-2025-21069: Samsung Notes · Out-of-bounds Read
Affects Samsung NotesSource CVE Database V5
Not known to be exploited · CVSS 4.0 Medium : upgrade to 4.4.30.63 when convenient.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 4.4.30.63
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade Samsung Notes to 4.4.30.63.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Samsung Mobile Samsung Notes | Affected
| Fixed in
|
AI-suggested
- Monitor Samsung’s official security advisories and update Samsung Notes to version 4.4.30.63 or later as soon as the patch becomes available.
- Restrict physical and local access to devices running Samsung Notes, especially in high-risk environments, to prevent exploitation by unauthorized users.
- Implement mobile device management (MDM) solutions to enforce application updates and control app installations.
- Educate users on the risks of leaving devices unattended or lending them to untrusted individuals.
- Regularly audit devices for outdated software versions and enforce compliance policies.
- Consider disabling or limiting the use of Samsung Notes on devices handling highly sensitive information until the vulnerability is patched.
- Employ endpoint detection and response (EDR) tools to monitor for unusual local activity that might indicate exploitation attempts.
Description
Out-of-bounds read in the parsing of image data in Samsung Notes prior to version 4.4.30.63 allows local attackers to access out-of-bounds memory.