IcloudApplication · Apple

CVE-2019-8735

HIGH · 8.8 CVSS v3.1 Published 2019-12-18
Fix available
A fix is available. Upgrade to 7.14 / 10.7 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

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 · unedited
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. Processing maliciously crafted web content may lead to arbitrary code execution.

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 confidence

Memory corruption vulnerability in the WebKit component affecting tvOS, iTunes for Windows, and iCloud for Windows. Processing maliciously crafted web content allows attackers to achieve arbitrary code execution via improved memory handling bypass.

MitigationApply vendor patches by updating to tvOS 13, iTunes 12.10.1 for Windows, iCloud for Windows 10.7 (or 7.14 depending on version) or later. Until patched, disable JavaScript in Safari/WebKit contexts and restrict web browsing on affected devices.

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
IcloudApplication
Affected:< 7.14>= 10.0, < 10.7
ItunesApplication
Affected:< 12.10.1
TvosOperating system
Affected:< 13

CVSS 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
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Apple software on Windows systems
    Review installed programs list or registry for Apple iTunes for Windows or iCloud for Windows
    Affected if Either iTunes for Windows or iCloud for Windows is present on the system
  2. Check iTunes for Windows version
    Open iTunes and navigate to Help > About iTunes, or view the program entry in Programs and Features. Compare the displayed version number to 12.10.1
    Affected if Installed version is lower than 12.10.1
  3. Check iCloud for Windows version
    Open the iCloud application and locate the version information, or check the program entry in Programs and Features. Compare to the affected version ranges: below 7.14 (for 7.x versions) or below 10.7 (for 10.x versions)
    Affected if Installed version is below 7.14 (7.x branch) or below 10.7 (10.x branch)
  4. Check tvOS version on Apple TV
    On the Apple TV device, go to Settings > General > About and note the Version number. Compare to version 13
    Affected if tvOS version is earlier than 13 (for example, 12.x or earlier)

A system is affected if it runs unpatched iTunes for Windows below 12.10.1, iCloud for Windows below 7.14 or 10.7 depending on the version branch, or tvOS below 13, with WebKit available to process web content.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

From vendor data
Upgrade available Upgrade to 7.14 / 10.7 / 12.10.1 or later
Fixed in 7.1410.712.10.1
Interim mitigation

Apply vendor patches by updating to tvOS 13, iTunes 12.10.1 for Windows, iCloud for Windows 10.7 (or 7.14 depending on version) or later. Until patched, disable JavaScript in Safari/WebKit contexts and restrict web browsing on affected devices.

Fix this in Icloud Scoped from the published advisory
  • Consultation1.0 h
  • Implementation2.0 h
  • Testing1.0 h
  • Review / QA1.0 h
5.0 hours of engineering $890
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,424.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2019-8735 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-8735 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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