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TI-2018-03392 Aliases CVE-2018-4448GHSA-jqhx-vrx5-vcf4

Apple iOS: A local user may be able to read kernel memory

Priority LOW 25Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
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 memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.1.1, watchOS 5.1.2, macOS Mojave 10.14.2, Security Update 2018-003 High Sierra, Security Update 2018-006 Sierra, tvOS 12.1.1. A local user may be able to read kernel memory.

Why it matters now

EPSS 0.00295 22nd percentileScored 2026-11-07
Fix Fixed iOS (Apple): 12.1macOS (Apple): 10.14, 12.1, 5.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore 12.112.1Patch availableCNA
ApplemacOSbefore 10.1410.14Patch availableCNA
ApplemacOSbefore 12.112.1Patch availableCNA
ApplemacOSbefore 5.15.1Patch availableCNA
ApplemacOSbefore 10.1410.14Patch availableCNA
  • iOS VendorApple Affected before 12.1 Fixed in 12.1 Patch available CNA
  • macOS VendorApple Affected before 10.14 Fixed in 10.14 Patch available CNA
  • macOS VendorApple Affected before 12.1 Fixed in 12.1 Patch available CNA
  • macOS VendorApple Affected before 5.1 Fixed in 5.1 Patch available CNA
  • macOS VendorApple Affected before 10.14 Fixed in 10.14 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.1.1VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.12.6 to before 10.14.4VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 12.1.1VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 5.1.2VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.13.6 to before 10.14.2VulnerableApple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.1.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.12.6 to before 10.14.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.1.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.1.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.13.6 to before 10.14.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in 12.1
  • Fix · CNA macOS (Apple) Fixed in 10.14
  • Fix · CNA macOS (Apple) Fixed in 12.1
  • Fix · CNA macOS (Apple) Fixed in 5.1
  • Fix · CNA macOS (Apple) Fixed in 10.14

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 12.1

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2019-05178 Apple iOS: A thorough security audit of the FaceTime service uncovered an issue with Live…Priority MEDIUM 45
    • TI-2019-06146 Apple iOS: Processing maliciously crafted web content may disclose sensitive user…Priority LOW 34
    • TI-2018-03388 Apple iOS: Processing maliciously crafted web content may disclose sensitive user…Priority LOW 31
    Show all 7 records →
Show 1 more group
  • Release ·

    Apple macOS 12.1

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2018-03337 Apple macOS: Processing a maliciously crafted text message may lead to UI spoofingPriority LOW 26
    • TI-2018-03336 Apple macOS: Processing a maliciously crafted text message may lead to UI spoofingPriority LOW 26
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-4448
  2. 2026-10-03 Alias added: GHSA-jqhx-vrx5-vcf4

References

Advisory 5

  • 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