CVE-2026-21066 is a vulnerability in Samsung Mobile Devices
Published on August 10, 2026
Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
Vulnerability Analysis
CVE-2026-21066 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2026-21066
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Affected Versions
Samsung Mobile Devices:- Version SMR Aug-2026 Release in Android 14, 15, 16 and below * is unaffected.