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CVE-2026-77236

HIGH CVSS: 7.3 Published: 2026-08-21 Modified: 2026-08-25

Description

Missing minimum size validation in secure context allocation in FreeRTOS-Kernel before 11.3.1 might allow local users to corrupt secure-world heap metadata via an out-of-bounds write with an undersized stack size parameter. To remediate this issue, users should upgrade to version 11.3.1 or later.

Affected Platforms

Amazon Freertos

Weakness Type

CWE-787

References