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TI-2019-06210 Aliases CVE-2019-8638GHSA-j86j-7j5h-86x2

Out-of-bounds write in Apple iOS

Priority MEDIUM 41CWE-787Published · Updated

Key facts

Attack vector
Network
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

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

EPSS 0.01278 70th percentileScored 2026-11-07
Fix Fixed iOS (Apple): 12.2watchOS (Apple): 5.2+3 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore 12.212.2Patch availableCNA
ApplewatchOSbefore 5.25.2Patch availableCNA
AppleSafaribefore 12.112.1Patch availableCNA
AppleiTunes for Windowsbefore 12.912.9Patch availableCNA
AppleiCloud for Windowsbefore 7.117.11Patch availableCNA
  • iOS VendorApple Affected before 12.2 Fixed in 12.2 Patch available CNA
  • watchOS VendorApple Affected before 5.2 Fixed in 5.2 Patch available CNA
  • Safari VendorApple Affected before 12.1 Fixed in 12.1 Patch available CNA
  • iTunes for Windows VendorApple Affected before 12.9 Fixed in 12.9 Patch available CNA
  • iCloud for Windows VendorApple Affected before 7.11 Fixed in 7.11 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 7.11VulnerableApple
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*before 12.9.4VulnerableApple
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 12.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.2VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 5.2VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.11 Vulnerable ·Apple
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.9.4 Vulnerable ·Apple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 12.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in 12.2
  • Fix · CNA watchOS (Apple) Fixed in 5.2
  • Fix · CNA Safari (Apple) Fixed in 12.1
  • Fix · CNA iTunes for Windows (Apple) Fixed in 12.9
  • Fix · CNA iCloud for Windows (Apple) Fixed in 7.11

Fixed in the same release

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

  • Release ·

    Apple iOS 12.2

    9 records Highest priority Priority MEDIUM 4 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2019-06124 Out-of-bounds read in Apple iOSPriority MEDIUM 46
    • TI-2019-06109 Improper certificate validation in Apple iOSPriority MEDIUM 43
    • TI-2019-06211 Out-of-bounds write in Apple iOSPriority MEDIUM 41
    Show all 9 records →
  • Release ·

    Apple iTunes for Windows 12.9

    5 records Highest priority Priority MEDIUM 2 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2019-06211 Out-of-bounds write in Apple iOSPriority MEDIUM 41
    • TI-2018-03407 Uncontrolled resource consumption in Apple iOSPriority LOW 36
    • TI-2019-06146 Apple iOS: Processing maliciously crafted web content may disclose sensitive user…Priority LOW 34
    Show all 5 records →
Show 2 more groups
  • Release ·

    Apple watchOS 5.2

    4 records Highest priority Priority MEDIUM 2 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2019-06211 Out-of-bounds write in Apple iOSPriority MEDIUM 41
    • TI-2019-06231 Improper input validation in Apple iOSPriority LOW 30
    • TI-2019-06110 Apple iOS: A malicious application may be able to access restricted filesPriority LOW 26
    Show all 4 records →
  • Release ·

    Apple Safari, iCloud for Windows 12.1, 7.11

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8638
  2. 2026-10-03 Alias added: GHSA-j86j-7j5h-86x2

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