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7.3 High

CVE-2026-77236 Missing minimum size validation in secure context allocation in FreeRTOS-Kernel before 11.3.1 might allow local users to…

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 products and versions

Product Affected versions Fixed in
FreeRTOS-Kernel 10.2 10.2.0 → 11.3.0 No fix stated

Other CVEs of FreeRTOS-Kernel

The 8 CVEs of FreeRTOS-Kernel →
CVE-2026-119086 Missing queue-set type validation in the queue-set selection system call in FreeRTOS-Kernel before V11.3.3 on… 6.5 Medium CVE-2026-109588 Numeric truncation of the buffer length in the MPU buffer authorization check in FreeRTOS-Kernel V11.3.0 and V11.3.1… 8.8 High CVE-2026-109587 Incorrect authorization in the Arm Cortex-R82 (Armv8-R AArch64) MPU port in FreeRTOS-Kernel V11.3.0 and V11.3.1 might… 8.8 High CVE-2026-77237 Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged… 6.5 Medium
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