CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

EUVD-2026-5920

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

BACnet Protocol Stack security vulnerabilities

BACnet Protocol Stack is a library suitable for various platforms, designed to provide communication services at the BACnet application layer, network layer, and Media Access Layer MAC. Versions of BACnet Protocol Stack such as 1.4.2, 1.5.0.rc2, and earlier versions have security vulnerabilities...

PT-2026-8018

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870: Off-by-one Error

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2019-12480

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 cras...

CVE-2025-66624

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2025-66624

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2025-66624 BACnet-stack MS/TP reply matcher OOB read

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2025-66624: Out-of-bounds Read

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. Prior to 1.5.0.rc2, The npduisexpectedreply function in src/bacnet/npdu.c indexes requestpduoffset+2/3/5 and replypduoffset+1/2/4 without verifying that those APDU...

CVE-2019-12480

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 cras...

Design/Logic Flaw

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 cras...

CVE-2019-12480

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 cras...

CVE-2019-12480

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 cras...

PT-2019-12815

Name of the Vulnerable Software and Affected Versions BACnet Protocol Stack versions through 0.8.6 Description The issue is related to a segmentation fault that leads to a denial of service in the BACnet APDU Layer. This occurs due to a malformed DCC in AtomicWriteFile, AtomicReadFile, and...