CVE-2026-77236 — Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel
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 …
Published: 2026-08-21 · CVSS: 8.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7