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TI-2019-06394 Aliases CVE-2019-8834GHSA-8g54-57wc-xjfh

Apple iOS and iPadOS: An attacker in a privileged network position may be able to bypass…

Priority LOW 22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A configuration issue was addressed with additional restrictions. This issue is fixed in tvOS 13.3, watchOS 6.1.1, iCloud for Windows 10.9, macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra, iOS 13.3 and iPadOS 13.3, iTunes 12.10.3 for Windows, iCloud for Windows 7.16. An attacker in a privileged network position may be able to bypass HSTS for a limited number of specific top-level domains previously not in the HSTS preload list.

Why it matters now

EPSS 0.01172 67th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 13.3macOS (Apple): 10.15, 6.1, 13.3 +3

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 13.313.3Patch availableCNA
ApplemacOSbefore 10.1510.15Patch availableCNA
ApplemacOSbefore 6.16.1Patch availableCNA
ApplemacOSbefore 13.313.3Patch availableCNA
ApplemacOSbefore 12.1012.10Patch availableCNA
ApplemacOSbefore 10.910.9Patch availableCNA
ApplemacOSbefore 7.167.16Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA
  • macOS VendorApple Affected before 6.1 Fixed in 6.1 Patch available CNA
  • macOS VendorApple Affected before 13.3 Fixed in 13.3 Patch available CNA
  • macOS VendorApple Affected before 12.10 Fixed in 12.10 Patch available CNA
  • macOS VendorApple Affected before 10.9 Fixed in 10.9 Patch available CNA
  • macOS VendorApple Affected before 7.16 Fixed in 7.16 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 7.16; 10.0 to before 10.9VulnerableApple
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*before 12.10.3VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.3VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.2VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 13.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.1.1VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.16; 10.0 to before 10.9 Vulnerable ·Apple
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.1.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 13.3
  • Fix · CNA macOS (Apple) Fixed in 10.15
  • Fix · CNA macOS (Apple) Fixed in 6.1
  • Fix · CNA macOS (Apple) Fixed in 13.3
  • Fix · CNA macOS (Apple) Fixed in 12.10
  • Fix · CNA macOS (Apple) Fixed in 10.9
  • Fix · CNA macOS (Apple) Fixed in 7.16

Fixed in the same release

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

  • Release ·

    Apple macOS 10.15

    59 records Highest priority Priority MEDIUM 9 MEDIUM, 50 LOW

    Other records, highest priority first

    Show all 59 records →
  • Release ·

    Apple iOS and iPadOS 13.3

    17 records Highest priority Priority MEDIUM 4 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2019-06404 Use after free in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2019-06403 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2019-06395 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 17 records →
Show 4 more groups
  • Release ·

    Apple macOS 6.1

    11 records Highest priority Priority MEDIUM 1 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-06390 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2020-03380 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 37
    • TI-2019-06398 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
    Show all 11 records →
  • Release ·

    Apple macOS 13.3

    8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2019-06390 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2020-03380 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 37
    • TI-2019-06398 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
    Show all 8 records →
  • Release ·

    Apple macOS 12.10

    6 records Highest priority Priority MEDIUM 4 MEDIUM, 2 LOW

    Other records, highest priority first

    Show all 6 records →
  • Release ·

    Apple macOS 10.9, 7.16

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-06406 Apple iOS and iPadOS: An application may be able to gain elevated privilegesPriority LOW 36
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8834
  2. 2026-10-03 Alias added: GHSA-8g54-57wc-xjfh

References

Advisory 7

  • 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