CVE-2023-32354
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 · uneditedAn out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, iOS 16.5 and iPadOS 16.5. An app may be able to disclose kernel 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 confidenceAn out-of-bounds read vulnerability in the kernel allowed a malicious application to read kernel memory. The issue was caused by insufficient input validation in kernel-space code, leading to memory disclosure. The vulnerability was addressed by implementing proper input validation bounds checking.
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< 16.5< 16.5< 16.5< 9.5CVSS 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
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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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Identify your Apple device typeDetermine whether the device is an iPhone, iPad, Apple Watch, or Apple TV. This is needed because different operating systems and version ranges apply.Affected if The device runs iOS, iPadOS, watchOS, or tvOS.
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Check the installed iOS or iPadOS versionOn the device, go to Settings > General > About > Version. Note the version number displayed (for example, 16.4.1).Affected if The device is an iPhone or iPad and the iOS/iPadOS version is below 16.5 (for example, 16.4.x or earlier).
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Check the installed watchOS versionOn Apple Watch, go to Settings > General > About > Version. Alternatively, open the Watch app on a paired iPhone, go to My Watch > General > About, and note the watchOS version.Affected if The device is an Apple Watch and the watchOS version is below 9.5 (for example, 9.4.x or earlier).
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Check the installed tvOS versionOn Apple TV, go to Settings > General > About > Version. Note the version number displayed.Affected if The device is an Apple TV and the tvOS version is below 16.5 (for example, 16.4.x or earlier).
The device is affected if it is an iPhone, iPad, Apple Watch, or Apple TV running the respective operating system version lower than 16.5 (iOS/iPadOS/tvOS) or 9.5 (watchOS).
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 · scoped9.516.5
Apply vendor patches (iOS 16.5+, iPadOS 16.5+, watchOS 9.5+, tvOS 16.5+) to affected Apple devices to remediate the kernel memory disclosure vulnerability.
iOS 16.5, iPadOS 16.5, tvOS 16.5, watchOS 9.5
- Check current iOS/iPadOS version by going to Settings > General > About
- On the affected iPhone or iPad, go to Settings > General > Software Update
- Download and install iOS 16.5 or iPadOS 16.5 (depending on device)
- For Apple Watch, open the Watch app on iPhone, go to General > Software Update, and install watchOS 9.5
- For Apple TV, go to Settings > System > Software Updates and install tvOS 16.5
- Restart the device after the update completes
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-32354 — 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-2023-32354 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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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