CVE-2023-42839
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 · uneditedThis issue was addressed with improved state management. This issue is fixed in tvOS 17.1, watchOS 10.1, macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An app may be able to access sensitive user data.
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 confidenceThis is a state management vulnerability in Apple's mobile and desktop operating systems where an application could improperly access sensitive user data due to flawed state handling. The issue was addressed with improved state management controls in the specified iOS, iPadOS, macOS, watchOS, and tvOS updates.
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< 17.1< 17.1= 14.0< 17.1< 10.1CVSS 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 iOS version on iPhoneCheck the installed iOS version on the iPhone deviceAffected if The installed iOS version is lower than 17.1
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Identify iPadOS version on iPadCheck the installed iPadOS version on the iPad deviceAffected if The installed iPadOS version is lower than 17.1
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Identify macOS version on MacCheck the installed macOS version on the Mac computerAffected if The installed macOS version is exactly 14.0 (Sonoma initial release)
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Identify tvOS version on Apple TVCheck the installed tvOS version on the Apple TV deviceAffected if The installed tvOS version is lower than 17.1
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Identify watchOS version on Apple WatchCheck the installed watchOS version on the Apple Watch deviceAffected if The installed watchOS version is lower than 10.1
The device is affected if it runs iOS, iPadOS, or tvOS versions below 17.1, watchOS below 10.1, or macOS exactly version 14.0.
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 · scoped10.117.1
Update all affected devices to iOS 17.1/iPadOS 17.1, macOS Sonoma 14.1, watchOS 10.1, or tvOS 17.1 or later to obtain the state management fix.
iOS 17.1+, iPadOS 17.1+, macOS Sonoma 14.1+, tvOS 17.1+, watchOS 10.1+
- For iPhone: Go to Settings > General > Software Update, download and install iOS 17.1 or later
- For iPad: Go to Settings > General > Software Update, download and install iPadOS 17.1 or later
- For macOS: Go to System Settings > General > Software Update, download and install macOS Sonoma 14.1 or later
- For Apple TV: Go to Settings > General > Software Update, select Update Software, download and install tvOS 17.1 or later
- For Apple Watch: On paired iPhone, open Watch app > General > Software Update, download and install watchOS 10.1 or later
- After updating, verify the installed version in Settings/General matches or exceeds the fixed release
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 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 $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-42839 — 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-2023-42839 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