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CVE Record

CVE-2018-4464: Multiple memory corruption issues were addressed with improved memory handling.

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4464 is an Apple memory-corruption issue fixed through improved memory handling. It affected older iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows versions. The source bundle does not provide CVSS severity, CWE classification, or confirmed exploitation.

Executive priority

Handle as a legacy exposure cleanup item unless asset inventory shows affected versions in production. The business priority rises for internet-facing browsers, executive devices, or unmanaged endpoints still below Apple’s fixed versions.

Technical view

Apple describes this as multiple memory corruption issues addressed by improved memory handling. Affected versions are those before iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, and iCloud for Windows 7.9.

Likely exposure

Exposure is most likely on unmanaged or legacy Apple devices, Safari installations, and Windows systems running old iTunes or iCloud. Current fully updated environments are unlikely to remain affected based on the fixed-version list.

Exploitation context

The provided sources do not state active exploitation, public exploit availability, or inclusion in CISA KEV. Treat exploitation status as unconfirmed rather than absent; prioritize verification of remaining legacy assets.

Researcher notes

Evidence is limited to Apple’s affected-version and fix language. The bundle lacks CVSS, CWE, component-level detail, and exploitation confirmation, so validation should focus on version exposure and advisory correlation rather than exploit reproduction.

Mitigation direction

  • Upgrade affected Apple products to the listed fixed versions or later.
  • Check Apple support advisories for product-specific update guidance.
  • Retire or isolate devices that cannot receive supported Apple updates.
  • Inventory Windows systems for old iTunes and iCloud installations.

Validation and detection

  • Confirm iOS, tvOS, watchOS, Safari, iTunes, and iCloud versions across managed assets.
  • Compare discovered versions against the fixed-version thresholds in Apple advisories.
  • Check vulnerability scanner results for CVE-2018-4464 without assuming exploitability.
  • Review unsupported or offline systems separately for stale Apple software.
Prepared
Confidence
medium
Sources
8

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-2018-4464 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
7Source 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, watchOS, Safari, iTunes for Windows, iCloud for WindowsVersions prior to: iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9Listed
Weakness

CWE details

No CWE listed

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