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CVE Record

CVE-2018-4318: A use after free issue was addressed with improved memory management.

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4318 is an Apple use-after-free memory issue fixed through improved memory management. The sources identify older iOS, tvOS, Safari, iTunes for Windows, and iCloud for Windows versions as affected. No CVSS score, CWE, or active-exploitation evidence is provided in the bundle.

Executive priority

Prioritize as legacy exposure cleanup rather than an emergency based on the provided evidence. The main business risk is older unmanaged Apple or Windows systems retaining a memory-safety flaw after vendor fixes were released.

Technical view

The CVE describes a use-after-free condition resolved in Apple releases: iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. The source bundle does not name the exact component, attack vector, impact class, or exploit prerequisites.

Likely exposure

Exposure is most likely on legacy Apple endpoints, browsers, media clients, or Windows systems running Apple software below the fixed versions. Organizations with unmanaged personal devices, kiosk Apple TVs, or old Windows builds may have residual exposure.

Exploitation context

The provided bundle marks KEV as false and does not cite active exploitation. The public description is sparse, so exploitation likelihood and practical impact cannot be assessed from these sources alone.

Researcher notes

The record lacks CVSS, CWE, affected component detail, and exploitability context. Treat analysis beyond affected versions and vendor-fixed releases as unconfirmed unless supplemented by Apple advisory details or other primary evidence.

Mitigation direction

  • Upgrade iOS devices to iOS 12 or later where supported.
  • Upgrade tvOS devices to tvOS 12 or later where supported.
  • Update Safari to version 12 or later.
  • Update iTunes for Windows to 12.9 or later.
  • Update iCloud for Windows to 7.7 or later.
  • Check Apple guidance for unsupported devices or software branches.

Validation and detection

  • Inventory Apple devices and Windows hosts with Apple software installed.
  • Compare installed versions against the fixed versions listed in Apple advisories.
  • Confirm unmanaged or BYOD devices are covered by update policy.
  • Review vulnerability scanner findings for CVE-2018-4318 on legacy endpoints.
  • Document exceptions where hardware cannot receive supported Apple updates.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

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CVE-2018-4318 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aiOS, tvOS, Safari, iTunes for Windows, iCloud for WindowsVersions prior to: iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.