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TI-2020-03336 Aliases CVE-2020-3834GHSA-5h6m-gmr5-q25w

Out-of-bounds write in Apple watchOS

Priority LOW 37CWE-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

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.

Why it matters now

EPSS 0.0133 71st percentileScored 2026-11-07
Fix Fixed watchOS (Apple): watchOS 6.1.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplewatchOSbefore watchOS 6.1.2watchOS 6.1.2Patch availableCNA
  • watchOS VendorApple Affected before watchOS 6.1.2 Fixed in watchOS 6.1.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.1.2VulnerableApple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.1.2 Vulnerable ·Apple

Remediation

  • Fix · CNA watchOS (Apple) Fixed in watchOS 6.1.2

Fixed in the same release

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

  • Release ·

    Apple watchOS watchOS 6.1.2

    16 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 14 LOW

    Other records, highest priority first

    Show all 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3834
  2. 2026-10-03 Alias added: GHSA-5h6m-gmr5-q25w

References

Advisory 1

  • 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-2025-28228 Use after free in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 1994 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences