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TI-2020-07904 Aliases CVE-2020-9826GHSA-448m-34cr-g6x8

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
None · None · High
Fix status
Fixed

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

Summary

A denial of service issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause a denial of service.

Why it matters now

EPSS 0.01193 68th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 13.5 and iPadOS 13.5macOS (Apple): macOS Catalina 10.15.5

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 13.5 and iPadOS 13.5iOS 13.5 and iPadOS 13.5Patch availableCNA
ApplemacOSbefore macOS Catalina 10.15.5macOS Catalina 10.15.5Patch availableCNA
  • iOS VendorApple Affected before iOS 13.5 and iPadOS 13.5 Fixed in iOS 13.5 and iPadOS 13.5 Patch available CNA
  • macOS VendorApple Affected before macOS Catalina 10.15.5 Fixed in macOS Catalina 10.15.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.5VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 13.5 and iPadOS 13.5
  • Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.5

Fixed in the same release

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

  • Release ·

    Apple iOS iOS 13.5 and iPadOS 13.5

    42 records Highest priority Priority CRITICAL 1 CRITICAL, 2 HIGH, 8 MEDIUM, 31 LOW

    Other records, highest priority first

    • TI-2020-07896 Out-of-bounds write in Apple iOSPriority CRITICAL 97
    • TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code executionPriority HIGH 81
    • TI-2020-07897 Out-of-bounds write in Apple iOSPriority HIGH 79
  • Release ·

    Apple macOS macOS Catalina 10.15.5

    41 records Highest priority Priority MEDIUM 2 MEDIUM, 39 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9826
  2. 2026-10-03 Alias added: GHSA-448m-34cr-g6x8

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 2382 →

Sources