CVE-2019-8649

MEDIUM

6.1

CVSS Score

Published: December 18, 2019 at 05:33 PM UTC

Updated: June 17, 2026 at 02:42 AM UTC

6 products affected across 1 vendormacOSiPhone OStvOS

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Severity

MEDIUM6.1

Exploit prediction

EPSS 5%

Description

A logic issue existed in the handling of synchronous page loads. This issue was addressed with improved state management. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to universal cross site scripting.

Affected

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

iCloud · Apple

95%

v < 7.13v < iCloud for Windows 10.6v < iCloud for Windows 7.1310.0 ≤ v < 10.6

Affected range stops below 10.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.13, so it looks safe — our inference, not a vendor statement

Affected range stops below iCloud for Windows 10.6, so it looks safe — our inference, not a vendor statement

Affected range stops below iCloud for Windows 7.13, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 12.4v < iOS 12.4

Affected range stops below 12.4, so it looks safe — our inference, not a vendor statement

Affected range stops below iOS 12.4, so it looks safe — our inference, not a vendor statement

iTunes · Apple

95%

v < 12.9.6v < iTunes for Windows 12.9.6

Affected range stops below 12.9.6, so it looks safe — our inference, not a vendor statement

Affected range stops below iTunes for Windows 12.9.6, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 10.14.6v < macOS Mojave 10.14.6

Affected range stops below 10.14.6, so it looks safe — our inference, not a vendor statement

Affected range stops below macOS Mojave 10.14.6, so it looks safe — our inference, not a vendor statement

Safari · Apple

95%

v < 12.1.2v < Safari 12.1.2

Affected range stops below 12.1.2, so it looks safe — our inference, not a vendor statement

Affected range stops below Safari 12.1.2, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 12.4v < tvOS 12.4

Affected range stops below 12.4, so it looks safe — our inference, not a vendor statement

Affected range stops below tvOS 12.4, 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