dbcve.org
IpadosOperating system · Apple

CVE-2022-32839

CRITICAL · 9.8 CVSS v3.1 Published 2022-08-24
Fix available
A fix is available. Upgrade to 8.7 / 10.15.7 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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
The issue was addressed with improved bounds checks. This issue is fixed in macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina, iOS 15.6 and iPadOS 15.6, tvOS 15.6, watchOS 8.7. A remote user may cause an unexpected app termination or 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

A bounds check vulnerability in Apple operating systems that allows remote attackers to achieve arbitrary code execution via unspecified vectors. The vulnerability stems from insufficient boundary validation, likely in a network-facing component, enabling attackers to overwrite memory and execute malicious code without user interaction.

MitigationApply the available security updates: macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina, iOS 15.6/iPadOS 15.6, tvOS 15.6, or watchOS 8.7 depending on affected systems.

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
IpadosOperating system
Affected:< 15.6
Iphone OsOperating system
Affected:< 15.6
Mac Os XOperating system
Affected:= 10.15.7
macOSOperating system
Affected:< 10.15.7>= 11.0, < 11.6.8>= 12.0, < 12.5= 10.15.7
TvosOperating system
Affected:< 15.6
WatchosOperating system
Affected:< 8.7

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
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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. Check macOS version
    Open Terminal and run: sw_vers -productVersion
    Affected if The version is 10.15.7, or falls in ranges 11.0-11.6.7, 12.0-12.4, or is below 10.15.7
  2. Check iOS version on iPhone
    Go to Settings > General > About and note the version number
    Affected if The version is below 15.6
  3. Check iPadOS version on iPad
    Go to Settings > General > About and note the version number
    Affected if The version is below 15.6
  4. Check tvOS version
    Go to Settings > General > About > Version on Apple TV
    Affected if The version is below 15.6
  5. Check watchOS version
    Open the Watch app on iPhone, go to General > About, and check the version
    Affected if The version is below 8.7

A system is affected if its installed OS version matches any of the specific vulnerable ranges listed (10.15.7 exactly, or versions below the patched 15.6/11.6.8/12.5/8.7 thresholds for the respective platforms).

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.

dbcve · scoped
Upgrade available Upgrade to 8.7 / 10.15.7 / 11.6.8 or later
Fixed in 8.710.15.711.6.8
Interim mitigation

Apply the available security updates: macOS Monterey 12.5, macOS Big Sur 11.6.8, Security Update 2022-005 Catalina, iOS 15.6/iPadOS 15.6, tvOS 15.6, or watchOS 8.7 depending on affected systems.

Recommended fix High confidence

iOS 15.6/iPadOS 15.6 for iPhone/iPad; macOS Monterey 12.5/macOS Big Sur 11.6.8/Security Update 2022-005 Catalina for Mac; tvOS 15.6 for Apple TV; watchOS 8.7 for Apple Watch

  1. Identify the affected device type (iPhone, iPad, Mac, Apple TV, or Apple Watch)
  2. Determine the current installed OS version
  3. For iPhone/iPad: Upgrade to iOS 15.6 or iPadOS 15.6 or later
  4. For Mac: Upgrade to macOS Monterey 12.5, macOS Big Sur 11.6.8, or apply Security Update 2022-005 Catalina
  5. For Apple TV: Upgrade to tvOS 15.6 or later
  6. For Apple Watch: Upgrade to watchOS 8.7 or later
  7. After upgrading, verify the OS version matches the fixed release
Caveat Standard OS upgrade considerations apply - review app compatibility and back up data before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Ipados Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.

Scan for this in your stack

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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-2022-32839 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