{"schema":"threatline.record/2","record":{"id":"CVE-2026-102809","aliases":[],"summary":"PX4 Autopilot through 1.17.0 Stack Exhaustion via tests file2 Command","details":"PX4 Autopilot through 1.17.0 contains an uncontrolled stack allocation vulnerability in the file2 test command that fails to validate the write chunk size parameter. Attackers with shell access can supply an excessively large value to the -c option to trigger stack overflow and crash the flight controller.","categories":["Unclassified"],"product":"PX4-Autopilot","vendor":"PX4","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102809","source_modified_at":"2026-09-29T18:14:28.445Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"PX4-Autopilot","vendor":"PX4","versions":[{"version":"0","lessThanOrEqual":"1.17.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00483,"percentile":0.40701,"score_date":"2026-10-23"},"published_at":"2026-09-29T17:22:41.803Z","modified_at":"2026-09-29T18:14:28.445Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102809","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-29T18:14:28.445Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102809","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/PX4/PX4-Autopilot/pull/28586","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/PX4/PX4-Autopilot/commit/46a77d8ad15e7929ef261c41083dffd1bbfa9f85","tags":["patch"]},{"source":"CVE List","url":"https://github.com/PX4/PX4-Autopilot/blob/d6f12ad1c4f70ad3230afd7d86e971421e02fef4/src/systemcmds/tests/test_file2.c#L86-L130","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/PX4/PX4-Autopilot","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/px4-autopilot-through-1.17.0-stack-exhaustion-via-tests-file2-command","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-29T18:13:24.208499Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-29T18:14:28.445Z","content_hash":"5a573303e2b965de72b078d4d8f2c7085c3c2fd8669ba5df9d4b1439e8c295fd"}}