Description
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, a Denial of Service (DoS) vulnerability exists in the BACnet stack's ReadPropertyMultiple (RPM) handler. When processing a malformed RPM request packet that lacks the expected closing tags, the function handler_read_property_multiple enters an infinite loop. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.
Published: 2026-11-13
Score: 7.5 High
EPSS: n/a
KEV: No
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History

Fri, 13 Nov 2026 16:15:00 +0000

Type Values Removed Values Added
Description 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, a Denial of Service (DoS) vulnerability exists in the BACnet stack's ReadPropertyMultiple (RPM) handler. When processing a malformed RPM request packet that lacks the expected closing tags, the function handler_read_property_multiple enters an infinite loop. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.
Title BACnet Stack: Denial of Service (Infinite Loop) in handler_read_property_multiple via malformed RPM requests
Weaknesses CWE-835
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-11-13T15:56:44.502Z

Reserved: 2026-06-08T18:02:19.731Z

Link: CVE-2026-52789

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T16:19:02.440

Modified: 2026-11-13T16:19:02.440

Link: CVE-2026-52789

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses