CVE-2026-21066
Received Received - Intake

Improper Input Validation in libcodec2_sec_flacdec.so

Vulnerability report for CVE-2026-21066, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-10

Last updated on: 2026-08-10

Assigner: Samsung Mobile

Description

Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.

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Meta Information

Published
2026-08-10
Last Modified
2026-08-10
Generated
2026-08-10
AI Q&A
2026-08-10
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
samsung libcodec2_sec_flacdec to 1 (exc)

Helpful Resources

Exploitability

CWE
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability involves improper input validation in a library file named libcodec2_sec_flacdec.so. It allows local attackers to write memory outside the intended boundaries, potentially causing crashes or unexpected behavior.

Detection Guidance

This vulnerability involves improper input validation in libcodec2_sec_flacdec.so, which could lead to out-of-bounds memory writes. Detection would require checking for the presence of this vulnerable library and analyzing its usage patterns. No specific commands are provided in the context.

Impact Analysis

An attacker with local access could exploit this to corrupt memory, leading to crashes, data corruption, or unauthorized code execution on the affected device.

Compliance Impact

The vulnerability involves improper input validation leading to out-of-bounds memory writes, which could allow local attackers to manipulate memory. This may impact data integrity and confidentiality, potentially violating GDPR principles of data protection and HIPAA requirements for safeguarding protected health information.

Mitigation Strategies

Update to the SMR Aug-2026 Release 1 or later to address the improper input validation in libcodec2_sec_flacdec.so. Remove or restrict access to affected components if updates are not immediately available.

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