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TI-2019-06346 Aliases CVE-2019-8784GHSA-42mj-fvxr-hp4j

Out-of-bounds write in Apple iOS

Priority LOW 37CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. An application may be able to execute arbitrary code with system privileges.

Why it matters now

EPSS 0.01346 71st percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 13.2 and iPadOS 13.2macOS (Apple): macOS Catalina 10.15.1+3 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 13.2 and iPadOS 13.2iOS 13.2 and iPadOS 13.2Patch availableCNA
ApplemacOSbefore macOS Catalina 10.15.1macOS Catalina 10.15.1Patch availableCNA
AppleiTunes for Windowsbefore iTunes for Windows 12.10.2iTunes for Windows 12.10.2Patch availableCNA
AppleiCloud for Windowsbefore iCloud for Windows 11.0iCloud for Windows 11.0Patch availableCNA
AppleiCloud for Windows (Legacy)before iCloud for Windows 7.15iCloud for Windows 7.15Patch availableCNA
  • iOS VendorApple Affected before iOS 13.2 and iPadOS 13.2 Fixed in iOS 13.2 and iPadOS 13.2 Patch available CNA
  • macOS VendorApple Affected before macOS Catalina 10.15.1 Fixed in macOS Catalina 10.15.1 Patch available CNA
  • iTunes for Windows VendorApple Affected before iTunes for Windows 12.10.2 Fixed in iTunes for Windows 12.10.2 Patch available CNA
  • iCloud for Windows VendorApple Affected before iCloud for Windows 11.0 Fixed in iCloud for Windows 11.0 Patch available CNA
  • iCloud for Windows (Legacy) VendorApple Affected before iCloud for Windows 7.15 Fixed in iCloud for Windows 7.15 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 7.15; 10.0 to before 10.8VulnerableApple
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*before 12.10.2VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.2VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.1VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.15; 10.0 to before 10.8 Vulnerable ·Apple
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 13.2 and iPadOS 13.2
  • Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.1
  • Fix · CNA iTunes for Windows (Apple) Fixed in iTunes for Windows 12.10.2
  • Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 11.0
  • Fix · CNA iCloud for Windows (Legacy) (Apple) Fixed in iCloud for Windows 7.15

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS macOS Catalina 10.15.1

    15 records Highest priority Priority LOW 15 LOW

    Other records, highest priority first

    • TI-2019-06367 A validation issue existed in the entitlement verification.Priority LOW 39
    • TI-2019-06369 Out-of-bounds write in Apple macOSPriority LOW 37
    • TI-2019-06359 Out-of-bounds write in Apple iOSPriority LOW 37
    Show all 15 records →
  • Release ·

    Apple iOS iOS 13.2 and iPadOS 13.2

    13 records Highest priority Priority LOW 13 LOW

    Other records, highest priority first

    Show all 13 records →
Show 2 more groups
  • Release ·

    Apple iTunes for Windows iTunes for Windows 12.10.2

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-06363 Untrusted search path in Apple macOSPriority LOW 34
    Show all 2 records →
  • Release ·

    Apple iCloud for Windows iCloud for Windows 11.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2019-06313 Out-of-bounds write in Apple watchOSPriority MEDIUM 45
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8784
  2. 2026-10-03 Alias added: GHSA-42mj-fvxr-hp4j

References

Advisory 5

  • TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
  • TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
  • TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
  • TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
  • TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
  • TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
See all 448 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences