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CVE-2026-77236

🗓️ 21 Aug 2026 17:47:49Reported by AMZNType 
cve
 cve
🔗 web.nvd.nist.gov👁 23 Views

Missing size validation in FreeRTOS-Kernel before 11.3.1 allows OOB write corrupting secure heap.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77236
28 Aug 202608:37
circl
cvelist
Cvelist
CVE-2026-77236 Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel
21 Aug 202617:47
cvelist
euvd
EUVD
EUVD-2026-64017
21 Aug 202617:47
euvd
nvd
NVD
CVE-2026-77236
21 Aug 202618:16
nvd
ptsecurity
Positive Technologies
PT-2026-79418
21 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-77236 Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel
21 Aug 202617:47
vulnrichment
NVD
CNA
Node
amazonfreertosRange10.2.011.3.1
[
  {
    "vendor": "FreeRTOS",
    "product": "FreeRTOS-Kernel",
    "versions": [
      {
        "status": "affected",
        "version": "10.2.0",
        "lessThanOrEqual": "11.3.0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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25 Aug 2026 16:44Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.3
CVSS 48.3
EPSS0.00113
SSVC
23