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TI-2019-06313 Aliases CVE-2019-8750GHSA-q8p3-mqhp-2f73

Out-of-bounds write in Apple watchOS

Priority MEDIUM 45CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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 input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt.

Why it matters now

EPSS 0.01635 76th percentileScored 2026-11-07
Fix Fixed watchOS (Apple): watchOS 6.1iCloud for Windows (Apple): iCloud for Windows 11.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplewatchOSbefore watchOS 6.1watchOS 6.1Patch availableCNA
AppleiCloud for Windowsbefore iCloud for Windows 11.0iCloud for Windows 11.0Patch availableCNA
  • watchOS VendorApple Affected before watchOS 6.1 Fixed in watchOS 6.1 Patch available CNA
  • iCloud for Windows VendorApple Affected before iCloud for Windows 11.0 Fixed in iCloud for Windows 11.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 10.8VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.1VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 10.8 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.1 Vulnerable ·Apple

Remediation

  • Fix · CNA watchOS (Apple) Fixed in watchOS 6.1
  • Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 11.0

Fixed in the same release

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

  • Release ·

    Apple watchOS watchOS 6.1

    9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW

    Other records, highest priority first

  • 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

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8750
  2. 2026-10-03 Alias added: GHSA-q8p3-mqhp-2f73

References

  • 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