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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.17.0-rc2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "PX4-Autopilot", "source": "cna", "vendor": "PX4"}, "product": "px4-autopilot", "vendor": "px4"}], "analysis": {"en": {"generated_at": "2026-03-16T23:43:12.427994+00:00", "value": {"mitigation_remediation": ["Upgrade PX4 Autopilot to version 1.17.0\u2011rc2 or later, which includes the required buffer\u2011safety fix"], "summary": {"action": "Apply Patch", "impact": "Denial of Service and Memory Corruption"}, "threat_synthesis": {"affected_systems": "The affected product is PX4 Autopilot (PX4:PX4\u2011Autopilot). All releases prior to 1.17.0\u2011rc2 are vulnerable, including the alpha1, beta1, and rc1 milestones listed in the CPE data. Devices that have tattu_can compiled and enabled are impacted; if the driver is disabled or not used, the vulnerability is not present.", "description_and_impact": "PX4 Autopilot contains an unbounded memcpy in the tattu_can component\u2019s multi\u2011frame assembly loop, causing a stack buffer overflow. When the driver processes crafted CAN frames, the overflow can overwrite adjacent stack data, leading to a crash (Denial of Service) and potential memory corruption. The weakness is classified as CWE\u2011121: Stack\u2011Based Buffer Overflow.", "risk_and_exploitability": "The CVSS score is 5.2, indicating moderate severity. The EPSS score is less than 1\u202f%, suggesting a low likelihood of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is injection of crafted CAN frames over the vehicle\u2019s CAN bus; this inference is based on the description, which states that the overflow is triggered when tattu_can processes incoming CAN traffic. In deployments where the CAN bus is isolated from untrusted networks, the practical risk is reduced, but any exposed bus provides a feasible exploitation path."}}}}, "created": "2026-03-16T09:22:43.412661+00:00", "updated": "2026-03-23T13:39:21.121767+00:00", "vendors": ["px4", "px4$PRODUCT$px4-autopilot"]}