CVE-2025-20976
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 applying binary of text content in Samsung Notes prior to version 4.4.29.23 allows attackers to read 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 · high confidenceThis is a memory safety vulnerability in Samsung Notes Android app where an out-of-bounds read occurs when processing binary text content. The vulnerability allows an attacker to read arbitrary memory contents, potentially exposing sensitive data. It is exploitable remotely without authentication and affects versions prior to 4.4.29.23.
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< 4.4.29.23CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
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Check if Samsung Notes is installedOpen device Settings > Apps and search for Samsung Notes, or check the app drawer for the Samsung Notes iconAffected if Samsung Notes is not found on the device - not affected in this case as the app is not present
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Determine the installed version of Samsung NotesNavigate to Settings > Apps > Samsung Notes > App info, then view the version number displayed under the app nameAffected if The version shown is lower than 4.4.29.23 (for example, 4.4.28.15 or earlier)
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Verify version via app package informationUse Android Settings > Apps > Samsung Notes > App info > Version, or check the app listing in Google Play Store or Galaxy Store for the current versionAffected if The listed version is any version prior to 4.4.29.23
A device is affected if Samsung Notes is installed and the installed version number is less than 4.4.29.23.
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 · scoped4.4.29.23
Update Samsung Notes to version 4.4.29.23 or later via the Galaxy Store or Google Play Store. Organizations should verify all managed devices have applied the patch.
Samsung Notes version 4.4.29.23
- Open Samsung Notes app on your device
- Navigate to the app settings or open Galaxy Store
- Check for available updates for Samsung Notes
- Update Samsung Notes to version 4.4.29.23 or later
- Verify the update was successful by checking the app version in settings
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-20976 — 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-2025-20976 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
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- 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