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CVE Record

CVE-2018-4358: 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, watchOS 5, 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-2018-4358 is an Apple memory corruption issue fixed in 2018 updates across iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows. The provided sources do not include a CVSS score, CWE, proof of exploitation, or detailed impact statement.

Executive priority

Treat as moderate operational priority for legacy-device cleanup, but not an emergency from the provided evidence. Escalate if vulnerable Apple software remains on sensitive or heavily exposed endpoints.

Technical view

Apple described the issue as multiple memory corruption problems addressed with improved memory handling. Affected versions are prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. Component-level root cause and attack vector are not provided in the bundle.

Likely exposure

Exposure is mainly legacy Apple endpoints or Windows systems still running affected Apple software. Modern managed fleets are likely patched if they enforce current OS and application updates.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Because technical impact details are limited, assess this as an update-compliance issue unless other intelligence indicates targeting.

Researcher notes

The bundle lacks CVSS, CWE, component details, and exploitability language beyond memory corruption. Analysis should stay tied to Apple’s fixed-version guidance and avoid assuming exploit mechanics or impact not stated here.

Mitigation direction

  • Upgrade affected Apple products to the listed fixed versions or later.
  • Confirm Safari and Apple Windows software are covered in endpoint patch management.
  • Check Apple advisories for platform-specific update paths and support status.
  • Prioritize unsupported or unmanaged legacy devices for replacement or isolation.

Validation and detection

  • Inventory iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows versions.
  • Flag versions older than iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9, or iCloud 7.7.
  • Verify patch deployment reports against actual device or application versions.
  • Review vulnerability scanner findings for stale Apple software signatures.
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-2018-4358 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, tvOS 12, watchOS 5, 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.