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CVE Record

CVE-2018-4419: 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 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4419 is an Apple operating system memory corruption issue fixed in late-2018 platform updates. The provided sources do not name the vulnerable component, business impact, CVSS score, or exploitation evidence. Exposure is mainly legacy Apple devices that never received the listed fixed versions or later updates.

Executive priority

Prioritize as a hygiene and legacy-device risk unless local exposure is confirmed. The issue is fixed by long-available Apple updates, but unsupported or unmanaged devices could remain exposed and should be identified quickly.

Technical view

Apple describes this as a memory corruption issue addressed through improved memory handling. It affected versions before iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, and watchOS 5.1. The bundle provides no CWE, attack vector, privileges, user-interaction requirement, or exploitability details.

Likely exposure

Exposure is likely limited to Apple endpoints, Apple TV devices, and watches still running versions earlier than the fixed releases. Modern fully patched Apple fleets are unlikely to remain exposed, but unmanaged, retired, lab, or embedded-use devices may persist.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Treat exploitation status as unknown, not confirmed active. The memory corruption class can be serious, but this specific record lacks enough technical detail to infer weaponization or impact.

Researcher notes

Evidence is sparse: no component, CVSS, CWE, exploit prerequisites, or vulnerability mechanism beyond memory corruption. Avoid assuming remote code execution or active exploitation from this bundle alone. Focus validation on version exposure and Apple advisory mapping.

Mitigation direction

  • Upgrade affected iOS devices to 12.1 or later.
  • Upgrade affected macOS Mojave systems to 10.14.1 or later.
  • Upgrade affected tvOS devices to 12.1 or later.
  • Upgrade affected watchOS devices to 5.1 or later.
  • Check Apple advisories for any product-specific guidance.
  • Retire devices that cannot receive supported updates.

Validation and detection

  • Inventory Apple device OS versions across managed and unmanaged assets.
  • Confirm no devices run below the fixed versions listed by Apple.
  • Review MDM compliance reports for stale or offline devices.
  • Verify exceptions have documented business owners and compensating controls.
  • Check Apple support references against your fleet’s exact platforms.
Prepared
Confidence
medium
Sources
6

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-2018-4419 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
5Source 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, macOS, tvOS, watchOSVersions prior to: iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1Listed
Weakness

CWE details

No CWE listed

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