{"id":"CVE-2021-46896","aliases":["EUVD-2021-33546","GHSA-82h7-455m-f9mp"],"status":"published","title":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via...","description":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00815,"percentile":0.57498,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2023-07-06T00:00:00Z","modified":"2026-06-17T04:15:46Z","products":[{"vendor":"dronecode","product":"px4_drone_autopilot"}],"references":[{"url":"https://github.com/PX4/PX4-Autopilot/issues/18369","tags":["x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46896"},{"url":"https://github.com/advisories/GHSA-82h7-455m-f9mp"}],"sources":{"cve":[{"id":"CVE-2021-46896","description":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.","status":"published","published":"2023-07-06T00:00:00Z","modified":"2024-11-20T20:08:00.394Z","updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33546","description":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.","status":"published","published":"2023-07-06T00:00:00Z","modified":"2024-11-20T20:08:00Z","updated_at":"2026-11-03T00:04:53.318425Z"}],"ghsa":[{"id":"GHSA-82h7-455m-f9mp","title":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via...","description":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.","status":"published","published":"2023-07-06T15:30:33Z","modified":"2024-04-04T05:26:41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:32.75662Z"}],"nvd":[{"id":"CVE-2021-46896","description":"Buffer Overflow vulnerability in PX4-Autopilot allows attackers to cause a denial of service via handler function handling msgid 332.","status":"published","published":"2023-07-06T14:15:10.517Z","modified":"2026-06-17T04:15:46.617Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}