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CVE Record

CVE-2018-4267: 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 11.4.1, tvOS 11.4.1, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4267 covers multiple memory-corruption issues in older Apple software. Apple addressed them with improved memory handling. The business concern is legacy exposure: devices or Windows systems still running versions before the listed Apple security updates may remain vulnerable.

Executive priority

Treat this as a legacy hygiene issue unless internal asset data shows old Apple software remains in use. Prioritize discovery and update compliance.

Technical view

Affected products are versions before iOS 11.4.1, tvOS 11.4.1, Safari 11.1.2, iTunes 12.8 for Windows, and iCloud for Windows 7.6. The source bundle does not provide CVSS, CWE, affected CPEs, exploit primitives, or component-level detail beyond memory handling.

Likely exposure

Exposure is most likely on unmanaged or legacy Apple devices, old Safari installations, and Windows endpoints with outdated iTunes or iCloud for Windows.

Exploitation context

The source bundle does not cite active exploitation, and KEV is false. No provided source confirms public exploitation or weaponized use.

Researcher notes

The public bundle is sparse. It identifies memory corruption and fixed versions, but not CVSS, CWE, attack surface, root cause, or exploitation evidence. Avoid inferring impact beyond Apple’s published update scope.

Mitigation direction

  • Update affected Apple software to the listed fixed versions or later.
  • Use MDM or endpoint tooling to find outdated iOS, tvOS, Safari, iTunes, and iCloud installs.
  • Remove or replace unsupported Apple software where updates are unavailable.
  • Check Apple security guidance before making environment-specific exceptions.

Validation and detection

  • Inventory installed versions against Apple’s fixed-version list.
  • Confirm iOS is 11.4.1 or later on managed devices.
  • Confirm tvOS is 11.4.1 or later where applicable.
  • Confirm Safari is 11.1.2 or later on relevant systems.
  • Confirm Windows hosts have iTunes 12.8 or iCloud for Windows 7.6 or later.
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-2018-4267 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 11.4.1, tvOS 11.4.1, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6Listed
Weakness

CWE details

No CWE listed

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