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TI-2022-20816 Aliases CVE-2022-42800GHSA-qmjc-q235-3hw5

Improper input validation in Apple macOS

Priority LOW 36CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

This issue was addressed with improved checks. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, macOS Ventura 13, watchOS 9.1, iOS 16.1 and iPadOS 16, macOS Monterey 12.6.1, macOS Big Sur 11.7.1. A user may be able to cause unexpected app termination or arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00382 32nd percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13, 11.7, 16.1 +2watchOS (Apple): 9.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 1313Patch availableCNA
ApplemacOSbefore 11.711.7Patch availableCNA
ApplemacOSbefore 16.116.1Patch availableCNA
ApplemacOSbefore 12.612.6Patch availableCNA
ApplemacOSbefore 15.715.7Patch availableCNA
ApplewatchOSbefore 9.19.1Patch availableCNA
  • macOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
  • macOS VendorApple Affected before 11.7 Fixed in 11.7 Patch available CNA
  • macOS VendorApple Affected before 16.1 Fixed in 16.1 Patch available CNA
  • macOS VendorApple Affected before 12.6 Fixed in 12.6 Patch available CNA
  • macOS VendorApple Affected before 15.7 Fixed in 15.7 Patch available CNA
  • watchOS VendorApple Affected before 9.1 Fixed in 9.1 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.7.1; 12.0 to before 12.6.1VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 9.1VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.7.1; 12.0 to before 12.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.1 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13
  • Fix · CNA macOS (Apple) Fixed in 11.7
  • Fix · CNA macOS (Apple) Fixed in 16.1
  • Fix · CNA macOS (Apple) Fixed in 12.6
  • Fix · CNA macOS (Apple) Fixed in 15.7
  • Fix · CNA watchOS (Apple) Fixed in 9.1

Fixed in the same release

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

  • Release ·

    Apple macOS 13

    63 records Highest priority Priority MEDIUM 9 MEDIUM, 54 LOW

    Other records, highest priority first

    • TI-2022-20822 Out-of-bounds write in Apple macOSPriority MEDIUM 54
    • TI-2022-14464 Buffer overflow in Apple macOSPriority MEDIUM 53
    • TI-2022-20826 Improper certificate validation in Apple macOSPriority MEDIUM 51
    Show all 63 records →
  • Release ·

    Apple watchOS 9.1

    16 records Highest priority Priority MEDIUM 2 MEDIUM, 14 LOW

    Other records, highest priority first

    • TI-2022-20822 Out-of-bounds write in Apple macOSPriority MEDIUM 54
    • TI-2022-20826 Improper certificate validation in Apple macOSPriority MEDIUM 51
    • TI-2022-20817 Protection mechanism failure in Apple macOSPriority LOW 37
    Show all 16 records →
Show 4 more groups
  • Release ·

    Apple macOS 11.7

    16 records Highest priority Priority MEDIUM 3 MEDIUM, 13 LOW

    Other records, highest priority first

    Show all 16 records →
  • Release ·

    Apple macOS 16.1

    12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW

    Other records, highest priority first

    Show all 12 records →
  • Release ·

    Apple macOS 15.7

    11 records Highest priority Priority MEDIUM 2 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2022-14464 Buffer overflow in Apple macOSPriority MEDIUM 53
    • TI-2022-14415 Out-of-bounds write in Apple macOSPriority MEDIUM 43
    • TI-2022-14419 Apple macOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority LOW 39
    Show all 11 records →
  • Release ·

    Apple macOS 12.6

    10 records Highest priority Priority MEDIUM 2 MEDIUM, 8 LOW

    Other records, highest priority first

    Show all 10 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-42800
  2. 2026-10-03 Alias added: GHSA-qmjc-q235-3hw5

References

Advisory 6

  • 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 2382 →

Sources

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