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TI-2019-06337 Aliases CVE-2019-8774GHSA-rgmg-8w65-pm2j

Improper input validation in Apple iOS and iPadOS

Priority LOW 26CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in iOS 13.1 and iPadOS 13.1, macOS Catalina 10.15. Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service.

Why it matters now

EPSS 0.00614 49th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 13.1macOS (Apple): 10.15

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 13.113.1Patch availableCNA
ApplemacOSbefore 10.1510.15Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 13.1 Fixed in 13.1 Patch available CNA
  • macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*before 13.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.1VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15VulnerableApple
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 13.1
  • Fix · CNA macOS (Apple) Fixed in 10.15

Fixed in the same release

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

  • Release ·

    Apple macOS 10.15

    59 records Highest priority Priority MEDIUM 9 MEDIUM, 50 LOW

    Other records, highest priority first

  • Release ·

    Apple iOS and iPadOS 13.1

    14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2019-06336 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2019-06315 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2019-06314 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8774
  2. 2026-10-03 Alias added: GHSA-rgmg-8w65-pm2j

References

  • TI-2022-06888 Use after free in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2022-06876 Out-of-bounds write in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2024-15360 Incorrect authorization in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.1
  • TI-2021-01529 Apple iOS and iPadOS: A remote attacker may be able to cause unexpected application… CVSS 3.1CRITICAL 9.8
  • TI-2021-01509 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
  • TI-2021-01508 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
See all 88 →

Sources