PX4 Autopilot through 1.17.0 NULL Pointer Dereference via sd_stress
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-476.
Summary
PX4 Autopilot through 1.17.0 contains a NULL pointer dereference vulnerability in the sd_stress command where the -b byte count parameter is parsed without validation before being passed to malloc() and memset(). Attackers with shell access, including through MAVLink, can supply invalid byte count values to crash the flight controller.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-102808
- 2026-10-03 Alias added: GHSA-6mwg-qhjp-3hf8
References
More PX4 vulnerabilities
- TI-2023-24883 PX4-Autopilot Heap Buffer Overflow Bug CVSS 3.1CRITICAL 9.8
- TI-2026-25200 Zenoh uORB Subscriber Allows Arbitrary Stack Allocation (PX4/PX4-Autopilot) CVSS 3.1HIGH 8.0
- TI-2026-25198 PX4 autopilot has a global buffer overflow in crsf_rc via oversized variable-length known packet CVSS 3.1HIGH 8.1
- TI-2026-25197 PX4 autopilot BST Device Name Length Can Overflow Driver Buffer CVSS 3.1MEDIUM 6.8
- TI-2026-65506 PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command CVSS 4.0HIGH 7.1
- TI-2026-59272 PX4 Autopilot through 1.17.0 Use-After-Free in load_mon CVSS 4.0HIGH 7.1
Sources
- CVE-2026-102808 · CVE Program
- CVE-2026-102808 · NVD
- FIRST EPSS
- GHSA-6mwg-qhjp-3hf8 · GitHub Advisory Database · CC BY 4.0
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