01 Record

CVE-2026-77236

Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel

HighPUBLISHEDCNA: AMZN

Base score8.3 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:H/SA:H

02 Description

Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel

Published

2026-08-21 17:47Z7 HR AGO

Last updated

2026-08-21 20:15Z5 HR AGO

Reserved

2026-08-20

Assigning CNA

AMZN

Record state

PUBLISHED

Severity

High (CVSS 8.3)

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:H/SA:H

Weaknesses

SSVC decision

ExploitationnoneAutomatablenoTechnical Impactpartial

Data version

5.2

Document digest

f2ffaccb6e37cc538a7cfcd1e389152db3c6e5329bcacb5a7097b99f43a44362

VendorProductVersionsPlatforms

FreeRTOSFreeRTOS-Kernel10.2.0 to 11.3.0—