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TI-2019-06309 Aliases CVE-2019-8746GHSA-wc35-x492-36g5

Out-of-bounds read in Apple tvOS

Priority MEDIUM 48CWE-125Published · Updated

Key facts

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

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

Summary

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Why it matters now

EPSS 0.02999 87th percentileScored 2026-11-07
Fix Fixed tvOS (Apple): 13iOS (Apple): 13+2 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppletvOSbefore 1313Patch availableCNA
AppleiOSbefore 1313Patch availableCNA
ApplewatchOSbefore 66Patch availableCNA
ApplemacOSbefore 10.1510.15Patch availableCNA
ApplemacOSbefore 12.1012.10Patch availableCNA
ApplemacOSbefore 10.710.7Patch availableCNA
ApplemacOSbefore 7.147.14Patch availableCNA
ApplemacOSbefore 10.1510.15Patch availableCNA
  • tvOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
  • iOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
  • watchOS VendorApple Affected before 6 Fixed in 6 Patch available CNA
  • macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA
  • macOS VendorApple Affected before 12.10 Fixed in 12.10 Patch available CNA
  • macOS VendorApple Affected before 10.7 Fixed in 10.7 Patch available CNA
  • macOS VendorApple Affected before 7.14 Fixed in 7.14 Patch available CNA
  • macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 7.14; 10.0 to before 10.7VulnerableApple
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*before 12.10.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.1VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 13VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.0VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.14; 10.0 to before 10.7 Vulnerable ·Apple
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.0 Vulnerable ·Apple

Remediation

  • Fix · CNA tvOS (Apple) Fixed in 13
  • Fix · CNA iOS (Apple) Fixed in 13
  • Fix · CNA watchOS (Apple) Fixed in 6
  • Fix · CNA macOS (Apple) Fixed in 10.15
  • Fix · CNA macOS (Apple) Fixed in 12.10
  • Fix · CNA macOS (Apple) Fixed in 10.7
  • Fix · CNA macOS (Apple) Fixed in 7.14
  • Fix · CNA macOS (Apple) Fixed in 10.15

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 tvOS 13

    23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2019-06278 Out-of-bounds write in Apple tvOSPriority MEDIUM 47
    • TI-2019-06319 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    • TI-2019-06312 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    Show all 23 records →
Show 4 more groups
  • Release ·

    Apple watchOS 6

    20 records Highest priority Priority MEDIUM 9 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2019-06278 Out-of-bounds write in Apple tvOSPriority MEDIUM 47
    • TI-2019-06319 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    • TI-2019-06312 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    Show all 20 records →
  • Release ·

    Apple iOS 13

    17 records Highest priority Priority MEDIUM 7 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-06278 Out-of-bounds write in Apple tvOSPriority MEDIUM 47
    • TI-2019-06319 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    • TI-2019-06312 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
    Show all 17 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 10.7, 7.14

    4 records Highest priority Priority MEDIUM 4 MEDIUM

    Other records, highest priority first

    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8746
  2. 2026-10-03 Alias added: GHSA-wc35-x492-36g5

References

Advisory 8

  • 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