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CVE Record

CVE-2018-4323: 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, 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-2018-4323 is an Apple memory-safety issue affecting older iOS, tvOS, Safari, iTunes for Windows, and iCloud for Windows versions. Apple says the issues were addressed with improved memory handling. The business risk is mainly from unmanaged legacy devices or Windows endpoints still running pre-fix Apple software.

Executive priority

Set this as a legacy exposure cleanup item unless asset inventory shows outdated Apple software in active business use. Escalate priority for executives, privileged users, kiosks, or unmanaged devices because memory corruption bugs can have serious impact even when exploit evidence is absent.

Technical view

The CVE describes multiple memory corruption issues fixed before iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. The source bundle provides no CVSS score, CWE, detailed attack vector, or exploitability statement, so validation should focus on version exposure and vendor advisory review.

Likely exposure

Exposure is likely limited to legacy Apple platforms or Windows systems with outdated Apple client software: iOS before 12, tvOS before 12, Safari before 12, iTunes for Windows before 12.9, or iCloud for Windows before 7.7.

Exploitation context

The supplied sources do not state active exploitation, and the CVE is not marked as CISA KEV. No public exploit status is provided in the bundle. Treat exploitation details as unconfirmed.

Researcher notes

Evidence is sparse: no CVSS, CWE, affected component details, or attack prerequisites are included. Apple’s wording confirms memory corruption and fixed-version boundaries only. Avoid assuming a specific component or exploit path without reviewing the linked Apple advisories directly.

Mitigation direction

  • Upgrade affected Apple software to the fixed versions or later.
  • Prioritize unmanaged mobile devices, shared Macs, and Windows endpoints with Apple software.
  • Check Apple advisories for product-specific update guidance.
  • Retire or isolate devices that cannot receive supported updates.

Validation and detection

  • Inventory iOS, tvOS, Safari, iTunes for Windows, and iCloud for Windows versions.
  • Flag versions older than iOS 12, tvOS 12, Safari 12, iTunes 12.9, or iCloud 7.7.
  • Confirm endpoint management reports match local installed software versions.
  • Document exceptions for unsupported devices and apply compensating controls.
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-2018-4323 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.