Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=10 cve-icon cve-icon
History

Mon, 12 Oct 2026 06:45:00 +0000

Type Values Removed Values Added
Title Local Arbitrary Code Execution via Improper Input Validation in Samsung HEIF Decoder
Weaknesses CWE-20

Mon, 12 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
Description Improper input validation in getting cover image in libsimba.heifdec.media.samsung.so prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code.
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-10-12T04:57:40.633Z

Reserved: 2025-12-11T01:33:35.832Z

Link: CVE-2026-21124

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-12T05:17:00.977

Modified: 2026-10-12T05:17:00.977

Link: CVE-2026-21124

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-12T06:30:06Z

Weaknesses