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CVE Record

CVE-2018-4315: 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

Apple disclosed a memory safety bug affecting older Apple software and Windows Apple clients. The public bundle says it was fixed in iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. No source-provided severity score or active exploitation claim is available.

Executive priority

Treat this as a legacy exposure cleanup item unless asset inventory shows many outdated Apple or Windows Apple-client installations. The business urgency is driven by whether affected versions remain in use, not by a source-supported active exploitation signal.

Technical view

CVE-2018-4315 is described as a use-after-free issue addressed with improved memory management. The supplied sources do not identify the vulnerable component, CVSS score, CWE, attack vector, or exploit primitives. Affected versions are those before the Apple release floors named in the CVE description.

Likely exposure

Exposure is likely limited to legacy Apple operating systems, Safari installations, and Windows systems running outdated iTunes or iCloud clients below the fixed versions. Modern managed fleets should mainly validate stragglers, unsupported devices, and old Windows software bundles.

Exploitation context

The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. Because the sources lack exploit context and technical detail, do not assume exploitation in the wild from this record alone.

Researcher notes

The record is sparse: no CVSS, CWE, component name, crash details, or attack vector are supplied. Research should focus on correlating Apple advisory entries, mapping affected product versions, and verifying whether historical WebKit or platform component context exists in Apple’s linked advisories.

Mitigation direction

  • Upgrade iOS devices to iOS 12 or later where supported.
  • Upgrade tvOS devices to tvOS 12 or later where supported.
  • Upgrade Safari to Safari 12 or later.
  • Upgrade Windows iTunes to 12.9 or later.
  • Upgrade iCloud for Windows to 7.7 or later.
  • Check Apple advisories for platform-specific applicability and support status.

Validation and detection

  • Inventory iOS, tvOS, Safari, iTunes for Windows, and iCloud for Windows versions.
  • Compare discovered versions against the fixed version floors listed in the CVE.
  • Identify unsupported devices or systems that cannot receive the fixed releases.
  • Confirm endpoint management reports reflect successful update installation.
  • Document compensating controls only where upgrades are not possible.
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

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CVE-2018-4315 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.