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TI-2019-06206 Aliases CVE-2019-8633GHSA-fgvr-jfmv-xf8r

Improper input validation in Apple iOS

Priority LOW 35CWE-20Published · Updated

Key facts

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

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

Summary

A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra, iOS 12.3, tvOS 12.3, watchOS 5.3. An application may be able to read restricted memory.

Why it matters now

EPSS 0.01168 67th percentileScored 2026-11-07
Fix Fixed iOS (Apple): 12.3macOS (Apple): 10.14, 12.3, 5.3

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
ApplemacOSbefore 10.1410.14Patch availableCNA
ApplemacOSbefore 12.312.3Patch availableCNA
ApplemacOSbefore 5.35.3Patch availableCNA
  • iOS VendorApple Affected before 12.3 Fixed in 12.3 Patch available CNA
  • macOS VendorApple Affected before 10.14 Fixed in 10.14 Patch available CNA
  • macOS VendorApple Affected before 12.3 Fixed in 12.3 Patch available CNA
  • macOS VendorApple Affected before 5.3 Fixed in 5.3 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.3VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.13.6 to before 10.14.5VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 12.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 5.3VulnerableApple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.13.6 to before 10.14.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.3 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in 12.3
  • Fix · CNA macOS (Apple) Fixed in 10.14
  • Fix · CNA macOS (Apple) Fixed in 12.3
  • Fix · CNA macOS (Apple) Fixed in 5.3

Fixed in the same release

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

  • Release ·

    Apple macOS 10.14

    33 records Highest priority Priority MEDIUM 6 MEDIUM, 27 LOW

    Other records, highest priority first

    • TI-2019-06124 Out-of-bounds read in Apple iOSPriority MEDIUM 46
    • TI-2019-05178 Apple iOS: A thorough security audit of the FaceTime service uncovered an issue with Live…Priority MEDIUM 45
    • TI-2018-03247 This issue is fixed in macOS Mojave 10.14.Priority MEDIUM 44
    Show all 33 records →
  • 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-2019-06204 Apple iOS: Users removed from an iMessage conversation may still be able to alter statePriority LOW 35
    Show all 6 records →
Show 2 more groups
  • Release ·

    Apple macOS 12.3

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2019-06168 Improper input validation in Apple iOSPriority LOW 37
    • TI-2019-06204 Apple iOS: Users removed from an iMessage conversation may still be able to alter statePriority LOW 35
    • TI-2019-06188 Apple macOS: An attacker in a privileged network position can modify driver statePriority LOW 31
    Show all 5 records →
  • Release ·

    Apple macOS 5.3

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2019-06390 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8633
  2. 2026-10-03 Alias added: GHSA-fgvr-jfmv-xf8r

References

Advisory 4

  • 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