CVE-2019-8503

HIGH

8.8

CVSS Score

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

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

5 products affected across 1 vendoriPhone OStvOSSafari

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Severity

HIGH8.8

Exploit prediction

EPSS 2%

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious website may be able to execute scripts in the context of another website.

Affected

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

iCloud · Apple

95%

v < 7.11v < iCloud for Windows 7.11

Affected range stops below 7.11, so it looks safe — our inference, not a vendor statement

Affected range stops below iCloud for Windows 7.11, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 12.2v < iOS 12.2

Affected range stops below 12.2, so it looks safe — our inference, not a vendor statement

Affected range stops below iOS 12.2, so it looks safe — our inference, not a vendor statement

iTunes · Apple

95%

v < 12.9.4v < iTunes 12.9.4 for Windows

Affected range stops below 12.9.4, so it looks safe — our inference, not a vendor statement

Affected range stops below iTunes 12.9.4 for Windows, so it looks safe — our inference, not a vendor statement

Safari · Apple

95%

v < 12.1v < Safari 12.1

Affected range stops below 12.1, so it looks safe — our inference, not a vendor statement

Affected range stops below Safari 12.1, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 12.2v < tvOS 12.2

Affected range stops below 12.2, so it looks safe — our inference, not a vendor statement

Affected range stops below tvOS 12.2, 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