CVE-2026-21125
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 parsing sheifd 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-2026-21125
EUVD
EUVD-2026-97189

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung libsimba to 1 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves improper input validation in the parsing of sheifd in a library file named libsimba.heifdec.media.samsung.so. It exists in versions prior to the SMR Oct-2026 Release 1. Attackers with local access could exploit this to potentially execute arbitrary code on the affected system.

Impact Analysis

If exploited, this vulnerability could allow an attacker with local access to run arbitrary code on your device. This could lead to unauthorized data access, system manipulation, or further compromise of your device's security.

Mitigation Strategies

Update the libsimba.heifdec.media.samsung.so library to the latest version provided in the SMR Oct-2026 Release 1 or later. Remove or restrict access to vulnerable versions of the library if updates are unavailable.

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