CVE-2025-21068
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedOut-of-bounds read in the reading of image data in Samsung Notes prior to version 4.4.30.63 allows local attackers to access out-of-bounds memory.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceAn out-of-bounds read vulnerability exists in Samsung Notes when parsing image data, allowing a local attacker to read memory outside allocated buffers. The vulnerability stems from insufficient bounds checking during image processing operations, potentially exposing sensitive memory contents.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 4.4.30.63CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Check installed Samsung Notes versionOpen Samsung Notes app, tap the menu (three lines or profile icon), go to Settings, scroll to the bottom to find the version number. Alternatively, open Google Play Store, search Samsung Notes, and view the version under app informationAffected if The version shown is lower than 4.4.30.63 (for example, 4.4.30.62, 4.4.20.5, or any earlier release)
-
Confirm image processing in NotesThe vulnerability triggers when Samsung Notes parses image data - this occurs when users insert, view, or edit images within notesAffected if Any images have been added to or viewed within the Samsung Notes application
-
Verify the app handles untrusted imagesThe vulnerability allows reading memory outside allocated buffers when parsing image data, meaning crafted or untrusted images could trigger the flawAffected if The app has been used to open or process images from external or untrusted sources
Users are affected if their Samsung Notes version is below 4.4.30.63 and they have used the app to process image content
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped4.4.30.63
Update Samsung Notes to version 4.4.30.63 or later to remediate the vulnerability.
Samsung Notes version 4.4.30.63
- Open the Samsung Notes app on your Samsung device
- Tap the menu icon (three lines) or access Settings
- Navigate to 'About Notes' or 'Version' to check current version
- If version is below 4.4.30.63, update Samsung Notes through the Galaxy Store or Samsung Galaxy Store
- Alternatively, navigate to Settings > Apps > Samsung Notes > Update if an update is available
- After updating, verify the version shows 4.4.30.63 or higher in 'About Notes'
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-21068 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-21068 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data