CVE-2026-102809
PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 29, 2026
- Updated
- Sep 29, 2026
- Reserved
- Sep 29, 2026
Description
PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-789 Memory Allocation with Excessive Size Value
Affected Products
| Product | Versions |
|---|---|
PX4-AutopilotPX4 |
|
References
- Pull Request #28586issue-trackingpatch
- Patch Commitpatch
- https://github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/tests/test_file2.c#L86-L130technical-description
- https://github.com/PX4/PX4-Autopilotproduct
- VulnCheck Advisory: PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Commandthird-party-advisory
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