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CVE Record

CVE-2018-4327: A memory corruption issue was addressed with improved memory handling.

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4327 is an Apple iOS memory corruption vulnerability fixed in iOS 11.4.1. Public details are sparse, so business urgency mainly depends on whether any organization-managed devices still run iOS versions before 11.4.1.

Executive priority

Prioritize as a legacy-device hygiene item unless pre-11.4.1 iOS devices remain in use. If such devices exist, remediate promptly because memory corruption bugs can carry serious impact despite limited public detail.

Technical view

The record describes a memory corruption issue addressed through improved memory handling. The only affected product named in the source bundle is iOS before 11.4.1. No CVSS score, CWE, vulnerable component, attack vector, or exploitation details are provided.

Likely exposure

Exposure is likely limited to legacy iPhone or iPad devices running iOS versions earlier than 11.4.1. Modern managed fleets should have low exposure if update compliance is enforced.

Exploitation context

The source bundle does not identify active exploitation, and the CVE is not marked as CISA KEV. No public exploit status or attack prerequisites are provided in the cited sources.

Researcher notes

The public record is thin: no component, CVSS, CWE, impact scope, or trigger conditions are included. Validation should focus on version exposure and Apple advisory correlation, not exploit reproduction.

Mitigation direction

  • Update affected iOS devices to iOS 11.4.1 or later.
  • Use MDM policy to block or quarantine pre-11.4.1 devices.
  • Review Apple guidance for any additional vendor-specific instructions.
  • Retire devices that cannot run a fixed iOS version.

Validation and detection

  • Inventory all managed iOS devices and record OS versions.
  • Confirm no active device reports an iOS version before 11.4.1.
  • Check MDM compliance reports after remediation.
  • Document exceptions for unsupported or unmanaged legacy devices.
Prepared
Confidence
medium
Sources
3

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.

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CVE-2018-4327 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
2Source 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/aiOSVersions prior to: iOS 11.4.1Listed
Weakness

CWE details

No CWE listed

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