CVE-2019-8506

HIGH

8.8

CVSS Score

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

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

9 products affected across 2 vendorsiPhone OStvOSwatchOS

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Severity

HIGH8.8

Exploitation

CISA KEV

Exploit prediction

EPSS 16%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score16.2%

EPSS (Exploit Prediction Scoring System) estimates a 16.2% chance this CVE is exploited in the wild within the next 30 days — higher than 97% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Unknown

Added to KEV

May 4, 2022

Remediation Due

May 25, 2022

1617 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-8506

Description

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

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

watchOS · Apple

95%

v < 5.2v < watchOS 5.2

Affected range stops below 5.2, so it looks safe — our inference, not a vendor statement

Affected range stops below watchOS 5.2, so it looks safe — our inference, not a vendor statement

Enterprise Linux Desktop · Red Hatrubygems

95%

7.0

Enterprise Linux Server · Red Hatrubygems

95%

7.0

Enterprise Linux Workstation · Red Hatrubygems

95%

7.0

Remediation

No guide yet

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

Patch and advisory references