CVE-2018-4474

HIGH

7.5

CVSS Score

Published: October 27, 2020 at 07:23 PM UTC

Updated: June 17, 2026 at 01:59 AM UTC

6 products affected across 1 vendoriPhone OStvOSwatchOS

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Severity

HIGH7.5

Exploit prediction

EPSS 2%

Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iCloud for Windows 7.7, watchOS 5, Safari 12, iOS 12, iTunes 12.9 for Windows, tvOS 12. Unexpected interaction causes an ASSERT failure.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iCloud · Apple

95%

v < 7.7

Affected range stops below 7.7, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 12v < 12.0

Affected range stops below 12, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.0, so it looks safe — our inference, not a vendor statement

iTunes · Apple

95%

v < 12.9

Affected range stops below 12.9, so it looks safe — our inference, not a vendor statement

Safari · Apple

95%

v < 12

Affected range stops below 12, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 12

Affected range stops below 12, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 5v < 5.0

Affected range stops below 5, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references