Improper input validation in libsmsd.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00119.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Samsung Mobile
  • Samsung Mobile Devices

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Samsung Mobile
  • Samsung Mobile Devices
References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08 cve-icon
History

Mon, 10 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 10 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
Title Local Out-of-Bounds Write in libsmsd.so Input Validation Flaw
Weaknesses CWE-119
CWE-120

Mon, 10 Aug 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Mon, 10 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
Description Improper input validation in libsmsd.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L'}
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-08-10T17:06:39.317Z

Reserved: 2025-12-11T01:33:35.823Z

Link: CVE-2026-21067

cve-icon Vulnrichment

Updated: 2026-08-10T17:06:34.995Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T11:00:11Z