{"id":"CVE-2026-52790","summary":"BACnet Stack: bacnet_device.c stack-use-after-return in writable Device string properties","details":"BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.5, 1.5.1, and 1.6.0, there is a library-level memory safety issue that is reachable from an unmodified official sample server (apps/server-basic/main.c) over BACnet/IP resulting in a stack-use-after-return in writable Device string properties. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.","aliases":["GHSA-jr7p-rm2x-739x"],"modified":"2026-11-14T10:30:26.155361165Z","published":"2026-11-13T15:57:10.497Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52790.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-416","CWE-562"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52790.json"},{"type":"FIX","url":"https://github.com/bacnet-stack/bacnet-stack/pull/1375"},{"type":"ADVISORY","url":"https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-jr7p-rm2x-739x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52790"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bacnet-stack/bacnet-stack","events":[{"introduced":"0"},{"fixed":"289b90d8d109b00594667a82007255bb71b36a6b"},{"fixed":"3a74c74a8139526e34da32c6cc41ed7c71aaded5"},{"fixed":"9bc3cfa07aab98852de432fa24079f4b4b6b7eed"}],"database_specific":{"extracted_events":[{"strategy":"StringRangeExpression","range":[{"introduced":"0"},{"fixed":"1.4.5"}],"source":"AFFECTED_FIELD"},{"range":[{"introduced":"0"},{"fixed":"1.5.1"}],"source":"AFFECTED_FIELD","strategy":"StringRangeExpression"},{"source":"AFFECTED_FIELD","strategy":"StringRangeExpression","range":[{"introduced":"0"},{"fixed":"1.6.0"}]}]}}],"versions":["bacnet-stack-1.4.4","bacnet-stack-1.5.0","bacnet-stack-1.4.3","bacnet-stack-1.4.2","bacnet-stack-1.4.1","bacnet-stack-1.4.0","bacnet-stack-1.3.8","bacnet-stack-1.3.7","bacnet-stack-1.3.6","bacnet-stack-1.3.5","bacnet-stack-1.3.4","bacnet-stack-1.3.3","bacnet-stack-1.3.2","bacnet-stack-1.3.1","bacnet-stack-1.3.0","bacnet-stack-1.2.0","bacnet-stack-1.1.1","bacnet-stack-1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-52790.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}