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CVE-2025-21067VulnerabilityPublished

CVE-2025-21067: Samsung Notes · Out-of-bounds Read

Affects Samsung NotesSource CVE Database V5

0

Not known to be exploited · CVSS 4.0 Medium : upgrade to 4.4.30.63 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
4.0Medium
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 2026-10-25.

What to do

Upgrade Samsung Notes to 4.4.30.63.

Affected software

ProductAffectedFixed in
Samsung Mobile Samsung NotesAffected
  • <4.4.30.63
Fixed in
  • 4.4.30.63

AI-suggested

1. Update Samsung Notes to version 4.4.30.63 or later as soon as the patch is available to address the out-of-bounds read issue. 2. Enforce strict device access controls and ensure that only trusted users have local access to Samsung mobile devices to reduce the risk of local exploitation. 3. Implement mobile device management (MDM) solutions to monitor application versions and enforce timely updates. 4. Educate users about the risks of installing untrusted applications or granting unnecessary permissions that could facilitate local attacks. 5. Monitor Samsung Notes for abnormal behavior or crashes that could indicate exploitation attempts. 6. Consider encrypting sensitive notes or using alternative secure note-taking applications until the vulnerability is patched. 7. Regularly audit and review mobile device security policies to ensure compliance with best practices.

Description

Out-of-bounds read in the allocation of image buffer in Samsung Notes prior to version 4.4.30.63 allows local attackers to access out-of-bounds memory.

References

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