Vulnerability · Published Sep 29, 2026 · Assigned by VulnCheck
CVE-2026-102808PX4 Autopilot through 1.17.0 NULL Pointer Dereference via sd_stress
Medium 6.5
In plain English
A medium-severity null pointer dereference in PX4-Autopilot from PX4. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 84.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PX4 | PX4-Autopilot | 0 – through 1.17.0 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- Pull Request #28795 issue-tracking, patch
- Patch Commit patch
- https://github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/sd_stress/sd_stress.cpp#L186-L204 technical-description
- https://github.com/PX4/PX4-Autopilot product
- VulnCheck Advisory: PX4 Autopilot through 1.17.0 NULL Pointer Dereference via sd_stress third-party-advisory