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TI-2021-01546 Aliases CVE-2021-1838GHSA-phfp-qm4g-g8c7

Apple iOS and iPadOS: Processing a maliciously crafted image may lead to arbitrary code…

Priority LOW 36Published · Updated

Key facts

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

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

Summary

This issue was addressed with improved checks. This issue is fixed in iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.

Why it matters now

EPSS 0.0107 65th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.4

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.414.4Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.4 Fixed in 14.4 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.4VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.4 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.4

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 14.4

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-01475 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-1838
  2. 2026-10-03 Alias added: GHSA-phfp-qm4g-g8c7

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