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TI-2020-17808 Aliases CVE-2020-29639GHSA-g4gx-9h6h-pjjp

Out-of-bounds read in Apple iOS and iPadOS

Priority LOW 26CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.0 and iPadOS 14.0. Processing a maliciously crafted font may result in the disclosure of process memory.

Why it matters now

EPSS 0.0068 52nd percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.014.0Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.0VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.0VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.0

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 14.0

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    Show all 10 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-29639
  2. 2026-10-03 Alias added: GHSA-g4gx-9h6h-pjjp
  3. 2026-10-12 EPSS moved to the 50th–90th percentile

References

Advisory 1

  • 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