Buffer overflow in Px4 Px4-autopilot
CVE-2026-32706
PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, The crsf_rc parser accepts an oversized variable-length known packet and copies it into a fixed 64-byte global buffer without a bounds check. In deployments where…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Px4 Px4-autopilot — versions < 1.17.0-rc2
Weakness classification (CWE)
References
- https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-mqgj-hh4g-fg5p (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2026-32706?
- CVE-2026-32706 is a high-severity vulnerability in Px4 Px4-autopilot, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.1/10. Published 2026-03-13.
- How severe is CVE-2026-32706?
- High severity. CVSS v3 base score is 7.1 out of 10.