High severity7.5NVD Advisory· Published May 30, 2019· Updated Jun 17, 2026
CVE-2019-12480
CVE-2019-12480
Description
BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service in BACnet APDU Layer because a malformed DCC in AtomicWriteFile, AtomicReadFile and DeviceCommunicationControl services. An unauthenticated remote attacker could cause a denial of service (bacserv daemon crash) because there is an invalid read in bacdcode.c during parsing of alarm tag numbers.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:*Range: <=0.8.6
- BACnet Protocol Stack/BACnet Protocol Stackdescription
- Range: <=0.8.6
Patches
Vulnerability mechanics
References
7- sourceforge.net/p/bacnet/bugs/62/nvdExploitThird Party Advisory
- packetstormsecurity.com/files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.htmlnvd
- 1modm.github.io/CVE-2019-12480.htmlnvd
- sourceforge.net/p/bacnet/code/3220nvd
- sourceforge.net/p/bacnet/code/3223nvd
- sourceforge.net/p/bacnet/code/3224nvd
- sourceforge.net/p/bacnet/code/3225nvd
News mentions
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