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TI-2019-06200 Aliases CVE-2019-8626GHSA-mhx8-mm66-fhhv

Improper input validation in Apple iOS

Priority LOW 31CWE-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 0.01052 64th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 12.3watchOS (Apple): watchOS 5.2.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 12.3iOS 12.3Patch availableCNA
ApplewatchOSbefore watchOS 5.2.1watchOS 5.2.1Patch availableCNA
  • iOS VendorApple Affected before iOS 12.3 Fixed in iOS 12.3 Patch available CNA
  • watchOS VendorApple Affected before watchOS 5.2.1 Fixed in watchOS 5.2.1 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 iOS 12.3
  • Fix · CNA watchOS (Apple) Fixed in watchOS 5.2.1

Fixed in the same release

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

  • Release ·

    Apple iOS iOS 12.3

    40 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 16 LOW

    Other records, highest priority first

  • Release ·

    Apple watchOS watchOS 5.2.1

    21 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 11 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8626
  2. 2026-10-03 Alias added: GHSA-mhx8-mm66-fhhv

References

  • 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