{"id":"CVE-2026-32708","state":"PUBLISHED","title":"Zenoh uORB Subscriber Allows Arbitrary Stack Allocation (PX4/PX4-Autopilot)","description":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the Zenoh uORB subscriber allocates a stack VLA directly from the incoming payload length without bounds. A remote Zenoh publisher can send an oversized fragmented message to force an unbounded stack allocation and copy, causing a stack overflow and crash of the Zenoh bridge task. This vulnerability is fixed in 1.17.0-rc2.","publishedAt":"2026-03-13T21:18:53.025Z","updatedAt":"2026-03-17T15:32:42.537Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["PX4 PX4-Autopilot"],"affected":[{"vendor":"PX4","product":"PX4-Autopilot","versions":[{"version":"< 1.17.0-rc2","status":"affected"}]}],"references":["https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-69g4-hcqf-j45p"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/32xxx/CVE-2026-32708.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32708","state":"PUBLISHED","datePublished":"2026-03-13T21:18:53.025Z","dateUpdated":"2026-03-17T15:32:42.537Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-13T14:33:42.824Z"},"containers":{"cna":{"title":"Zenoh uORB Subscriber Allows Arbitrary Stack Allocation (PX4/PX4-Autopilot)","descriptions":[{"lang":"en","value":"PX4 autopilot is a flight control solution for drones. Prior to 1.17.0-rc2, the Zenoh uORB subscriber allocates a stack VLA directly from the incoming payload length without bounds. A remote Zenoh publisher can send an oversized fragmented message to force an unbounded stack allocation and copy, causing a stack overflow and crash of the Zenoh bridge task. This vulnerability is fixed in 1.17.0-rc2."}],"affected":[{"vendor":"PX4","product":"PX4-Autopilot","versions":[{"version":"< 1.17.0-rc2","status":"affected"}]}],"references":[{"url":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-69g4-hcqf-j45p","name":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-69g4-hcqf-j45p","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-13T21:18:53.025Z"},"source":{"advisory":"GHSA-69g4-hcqf-j45p","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/PX4/PX4-Autopilot/security/advisories/GHSA-69g4-hcqf-j45p","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T15:32:08.774930Z","id":"CVE-2026-32708","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-17T15:32:42.537Z"}}]}}}