Freertos
23 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Freertos, a product in the ics ot iot space. Use it to gauge the current risk picture and drill into individual advisories.
Freertos CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 1 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 4 |
| 2026-09 | 0 |
Severity
How the 23 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical4
- High10
- Medium8
Latest CVEs
The 15 most recently published vulnerabilities affecting Freertos.
- CVE-2026-77237Missing type validation in xQueueAddToSet in FreeRTOS-Kernel6.5
- CVE-2026-77236Missing size validation in SecureContext_AllocateContext in FreeRTOS-Kernel7.3
- CVE-2026-77235Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel7.3
- CVE-2026-77234Improper input validation in FreeRTOS-Kernel timer command handling8.8
- CVE-2025-5688Out of Bounds Write in FreeRTOS-Plus-TCP—
- CVE-2024-38373FreeRTOS-Plus-TCP Buffer Over-Read in DNS Response Parser9.6
- CVE-2024-28115Privilege Escalation in FreeRTOS Kernel ARMv7-M MPU ports and ARMv8-M ports with MPU support enabled8.8
- CVE-2021-27504Texas Instruments FREERTOS Integer Overflow or Wraparound7.4
- CVE-2021-43997FreeRTOS versions 10.2.0 through 10.4.5 do not prevent non-kernel code from calling the xPortRaisePrivilege internal function to raise privilege. FreeRTOS versions through 10.4.6 do not prevent a t...7.8
- CVE-2021-32020The kernel in Amazon Web Services FreeRTOS before 10.4.3 has insufficient bounds checking during management of heap memory.9.8
- CVE-2021-31572The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in stream_buffer.c for a stream buffer.9.8
- CVE-2021-31571The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in queue.c for queue creation.9.8
- CVE-2018-16526Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component allow remote attackers to leak information or ...8.1
- CVE-2018-16602An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. Out of bounds memo...5.9
- CVE-2018-16600An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. Out of bounds memo...5.9
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