Read the docs
TI-2020-07970 Aliases CVE-2020-9897GHSA-h4f4-qrhw-qpwr

Out-of-bounds write in Apple iOS and iPadOS

Priority LOW 36CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Big Sur 11.0.1. Processing a maliciously crafted PDF may lead to arbitrary code execution.

Why it matters now

EPSS 0.00941 61st percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.2macOS (Apple): 11.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.214.2Patch availableCNA
ApplemacOSbefore 11.011.0Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.2 Fixed in 14.2 Patch available CNA
  • macOS VendorApple Affected before 11.0 Fixed in 11.0 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.2VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.2VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 11.0.1VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 11.0.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.2
  • Fix · CNA macOS (Apple) Fixed in 11.0

Fixed in the same release

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

  • Release ·

    Apple macOS 11.0

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2020-08073 Uncontrolled resource consumption in Apple macOSPriority LOW 32
    • TI-2020-17806 Out-of-bounds read in Apple macOSPriority LOW 26
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9897
  2. 2026-10-03 Alias added: GHSA-h4f4-qrhw-qpwr

References

Advisory 2

  • 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