CVE-2026-21124
Received Received - Intake

Improper Input Validation in libsimba.heifdec.media.samsung.so

Publication date: 2026-10-12

Last updated on: 2026-10-12

Assigner: Samsung Mobile

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.

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Meta Information

Published
2026-10-12
Last Modified
2026-10-12
Generated
2026-10-12
AI Q&A
2026-10-12
EPSS Evaluated
N/A
NVD
CVE-2026-21124
EUVD
EUVD-2026-97188

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung libsimba.heifdec.media to SMR_Oct-2026_Release_1 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is due to improper input validation in the cover image processing function of libsimba.heifdec.media.samsung.so. It allows local attackers to execute arbitrary code by exploiting flaws in how the library handles input data.

Detection Guidance

This vulnerability involves improper input validation in libsimba.heifdec.media.samsung.so. Detection requires checking for the affected library version on Samsung devices. No specific commands are provided in the context to detect this issue.

Impact Analysis

If exploited, this vulnerability could allow attackers to run malicious code on your device, potentially leading to unauthorized access, data theft, or further compromise of system integrity.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Non-compliance may result in legal penalties.

Mitigation Strategies

Apply the SMR Oct-2026 Release 1 or later update to address the improper input validation issue in libsimba.heifdec.media.samsung.so. Remove or restrict access to the vulnerable component if updates are not immediately available.

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