CVE-2023-4359
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 · uneditedInappropriate implementation in App Launcher in Google Chrome on iOS prior to 116.0.5845.96 allowed a remote attacker to potentially spoof elements of the security UI via a crafted HTML page. (Chromium security severity: Medium)
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 confidenceUI spoofing vulnerability in Google Chrome's iOS App Launcher allows a remote attacker to craft malicious HTML pages that can spoof security UI elements, potentially tricking users into believing they're interacting with legitimate security prompts rather than attacker-controlled content.
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< 116.0.5845.96= 11.0= 12.0= 38CVSS 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
- None
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 if Google Chrome iOS is installedCheck the installed apps on the iOS device for Google ChromeAffected if Google Chrome iOS is present on the device
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Determine the installed Google Chrome iOS versionOpen the Chrome iOS app, tap the three-dot menu, go to Settings, and view the version number displayed under ChromeAffected if The displayed version is a release build and is less than 116.0.5845.96
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Confirm the affected componentVerify that the Chrome version supports the App Launcher functionality (used for handling links and app launching)Affected if The App Launcher component is enabled and active in the Chrome iOS build
A user is affected if they have Google Chrome iOS installed with a version number less than 116.0.5845.96 and the App Launcher component is active
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 · scoped116.0.5845.96
Update Google Chrome on iOS to version 116.0.5845.96 or later to obtain the fix for this UI spoofing issue in the App Launcher component.
Chrome 116.0.5845.96 or later (for all affected platforms)
- For Chrome on iOS: Open the App Store and update Google Chrome to version 116.0.5845.96 or later
- For Debian Linux: Run 'sudo apt-get update && sudo apt-get install chromium' to install the updated package
- For Fedora: Run 'sudo dnf update chromium' to apply the security update
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-4359 — 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-2023-4359 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