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TI-2019-06231 Aliases CVE-2019-8664GHSA-2c4x-w9f2-5qjq

Improper input validation in Apple iOS

Priority LOW 30CWE-20Published · Updated

Key facts

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

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

Summary

An input validation issue was addressed with improved input validation. This issue is fixed in iOS 12.3, watchOS 5.2.1. Processing a maliciously crafted message may lead to a denial of service.

Why it matters now

EPSS 0.0083 57th percentileScored 2026-11-07
Fix Fixed iOS (Apple): 12.3watchOS (Apple): 5.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore 12.312.3Patch availableCNA
ApplewatchOSbefore 5.25.2Patch availableCNA
ApplewatchOSbefore 5.25.2Patch availableCNA
  • iOS VendorApple Affected before 12.3 Fixed in 12.3 Patch available CNA
  • watchOS VendorApple Affected before 5.2 Fixed in 5.2 Patch available CNA
  • watchOS VendorApple Affected before 5.2 Fixed in 5.2 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 5.2.1VulnerableApple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.2.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in 12.3
  • Fix · CNA watchOS (Apple) Fixed in 5.2
  • Fix · CNA watchOS (Apple) Fixed in 5.2

Fixed in the same release

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

  • Release ·

    Apple iOS 12.3

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2019-06168 Improper input validation in Apple iOSPriority LOW 37
    • TI-2019-06149 Improper input validation in Apple iOSPriority LOW 36
    • TI-2019-06206 Improper input validation in Apple iOSPriority LOW 35
    Show all 6 records →
  • 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-2019-06210 Out-of-bounds write in Apple iOSPriority MEDIUM 41
    • TI-2019-06110 Apple iOS: A malicious application may be able to access restricted filesPriority LOW 26
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8664
  2. 2026-10-03 Alias added: GHSA-2c4x-w9f2-5qjq

References

Advisory 2

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 4500 →

Sources

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