Apache NuttX (incubating) Out of Bound Write from invalid TCP Urgent length
Priority MEDIUM 45CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.
Why it matters now
EPSS 0.03172 88th percentileScored 2026-11-07
Fix Fixed Apache NuttX (incubating) (Apache Software Foundation): 9.1.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache NuttX (incubating) | before 9.1.1; 10.0.0 | 9.1.1 | Patch available | CNA |
- Apache NuttX (incubating) VendorApache Affected before 9.1.1; 10.0.0 Fixed in 9.1.1 Patch available CNA
Remediation
- Fix · CNA Apache NuttX (incubating) (Apache Software Foundation) Fixed in 9.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2020-17528
- 2026-10-03 Alias added: GHSA-36mq-qwm2-6rpp
References
More Apache Nuttx vulnerabilities
- TI-2025-24548 Apache NuttX RTOS: NuttX Bluetooth Stack HCI and UART DoS/RCE Vulnerabilities. CVSS 3.1CRITICAL 9.8
- TI-2025-30293 Apache NuttX RTOS: examples/xmlrpc: Fix calls buffers size. CVSS 3.1CRITICAL 9.8
- TI-2025-30292 Apache NuttX RTOS: tools/bdf-converter.: tools/bdf-converter: Fix loop termination condition. CVSS 3.1CRITICAL 9.8
- TI-2021-08260 malloc, realloc and memalign implementations are vulnerable to integer wrap-arounds CVSS 3.1CRITICAL 9.8
- TI-2020-13277 Apache NuttX (incubating) Out of Bound Write from invalid fragmentation offset value specified in the IP header CVSS 3.1CRITICAL 9.8
- TI-2020-01863 NULL pointer dereference in Apache NuttX CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-17528 · CVE Program
- CVE-2020-17528 · NVD
- FIRST EPSS
- GHSA-36mq-qwm2-6rpp · GitHub Advisory Database · CC BY 4.0
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