CVE-2026-102808

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.

CVSS 4.0

7.1CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2026-09-29

Modified

2026-10-02

Record from

the NVD, synced 2026-10-19

References

• https://github.com/PX4/PX4-Autopilot
• https://github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/sd_stress/sd_stress.cpp#L186-L204
• https://github.com/PX4/PX4-Autopilot/commit/c865dc9fde14d1391916775153aa271603c3c592
• https://github.com/PX4/PX4-Autopilot/pull/28795
• https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-null-pointer-dereference-via-sd-stress

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