{"id":"CVE-2026-32707","aliases":["EUVD-2026-12152","GHSA-wxwm-xmx9-hr32"],"status":"published","title":"PX4 autopilot has a stack buffer overflow in tattu_can due to unbounded memcpy in frame assembly loop","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded memcpy in its multi-frame assembly loop, allowing stack memory overwrite when crafted CAN frames are processed. In deployments where tattu_can is enabled and running, a CAN-injection-capable attacker can trigger a crash (DoS) and memory corruption. This vulnerability is fixed in 1.17.0-rc2.","severity":{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00298,"percentile":0.22661,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2026-03-13T21:18:09Z","modified":"2026-10-28T02:31:01Z","exploits":[{"source":"pocgithub","id":"mbanyamer/CVE-2026-32707-PX4-Autopilot-tattu_can-Stack-Buffer-Overflow-DoS-","title":"mbanyamer/CVE-2026-32707-PX4-Autopilot-tattu_can-Stack-Buffer-Overflow-DoS-","date":"2026-05-08","url":"https://github.com/mbanyamer/CVE-2026-32707-PX4-Autopilot-tattu_can-Stack-Buffer-Overflow-DoS-"}],"products":[{"vendor":"dronecode","product":"px4_drone_autopilot"},{"vendor":"px4","product":"px4-autopilot"}],"references":[{"url":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-wxwm-xmx9-hr32","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32707.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32707","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-32707","title":"PX4 autopilot has a stack buffer overflow in tattu_can due to unbounded memcpy in frame assembly loop","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded memcpy in its multi-frame assembly loop, allowing stack memory overwrite when crafted CAN frames are processed. In deployments where tattu_can is enabled and running, a CAN-injection-capable attacker can trigger a crash (DoS) and memory corruption. This vulnerability is fixed in 1.17.0-rc2.","status":"published","published":"2026-03-13T21:18:09.118Z","modified":"2026-03-17T15:34:02.447Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-12152","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded memcpy in its multi-frame assembly loop, allowing stack memory overwrite when crafted CAN frames are processed. In deployments where tattu_can is enabled and running, a CAN-injection-capable attacker can trigger a crash (DoS) and memory corruption. This vulnerability is fixed in 1.17.0-rc2.","status":"published","published":"2026-03-13T21:18:09Z","modified":"2026-03-17T15:34:02Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T19:25:33.692584Z"}],"nvd":[{"id":"CVE-2026-32707","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded memcpy in its multi-frame assembly loop, allowing stack memory overwrite when crafted CAN frames are processed. In deployments where tattu_can is enabled and running, a CAN-injection-capable attacker can trigger a crash (DoS) and memory corruption. This vulnerability is fixed in 1.17.0-rc2.","status":"published","published":"2026-03-16T14:19:41.783Z","modified":"2026-06-17T10:36:14.677Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:09.358914Z"}],"osv":[{"id":"CVE-2026-32707","title":"PX4 autopilot has a stack buffer overflow in tattu_can due to unbounded memcpy in frame assembly loop","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, tattu_can contains an unbounded memcpy in its multi-frame assembly loop, allowing stack memory overwrite when crafted CAN frames are processed. In deployments where tattu_can is enabled and running, a CAN-injection-capable attacker can trigger a crash (DoS) and memory corruption. This vulnerability is fixed in 1.17.0-rc2.","status":"published","published":"2026-03-13T21:18:09.118Z","modified":"2026-10-28T02:31:01.433182531Z","cvss":[{"version":"3.1","score":5.2,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:45:01.548715Z"}]}}