CVE-2026-41502 BACnet Stack: Off-by-One Out-of-Bounds Read in ReadPropertyMultiple Object ID Decoder

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service decoder allows unauthenticated remote attackers to read one byte past an allocated buffer boundary by...

CVE-2026-41502 BACnet Stack: Off-by-One Out-of-Bounds Read in ReadPropertyMultiple Object ID Decoder

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service decoder allows unauthenticated remote attackers to read one byte past an allocated buffer boundary by...

EUVD-2026-25621

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

CVE-2026-41475

Summary: CVE-2026-41475 affects the BACnet Stack library. Prior to version 1.4.3, the WritePropertyMultiple service decoder is vulnerable to an out-of-bounds read caused by wpm_decode_object_property() invoking the deprecated decode_tag_number_and_value() function, which performs no bounds checki...

CVE-2026-41475

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

CVE-2026-41475 BACnet Stack: Out-of-Bounds Read in WritePropertyMultiple Decoder via Deprecated Tag Parser

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

CVE-2026-41475 BACnet Stack: Out-of-Bounds Read in WritePropertyMultiple Decoder via Deprecated Tag Parser

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

CVE-2026-41475 BACnet Stack: Out-of-Bounds Read in WritePropertyMultiple Decoder via Deprecated Tag Parser

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

BACnet Stack buffer error vulnerability

BACnet Stack is an open-source protocol stack for BACnet, designed to work on embedded systems, Linux, MacOS, BSD, and Windows. Versions prior to BACnet Stack 1.4.3 contained a buffer error vulnerability. This vulnerability stems from a boundary-crossing read issue in the ReadPropertyMultiple...

PT-2026-35074

Name of the Vulnerable Software and Affected Versions BACnet Stack versions prior to 1.4.3 Description An out-of-bounds read exists in the WritePropertyMultiple service decoder. This occurs because the wpm decode object property function calls the deprecated decode tag number and value function,...

BACnet Stack buffer error vulnerability

BACnet Stack is an open-source protocol stack for BACnet, designed for use in embedded systems, Linux, MacOS, BSD, and Windows. Versions prior to BACnet Stack 1.4.3 contained a buffer error vulnerability. This vulnerability stems from a out-of-bounds read vulnerability in the decoder of the...

BACnet Stack buffer error vulnerability

BACnet Stack is an open-source protocol stack for BACnet, designed to work on embedded systems, Linux, MacOS, BSD, and Windows. Versions prior to BACnet Stack 1.4.3 contained a buffer error vulnerability. This vulnerability stems from a out-of-bounds read vulnerability in the ReadPropertyMultiple...

CVE-2026-41503: Out-of-bounds Read

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service property decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending an RP...

CVE-2026-41475: Out-of-bounds Read

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's WritePropertyMultiple service decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending a truncated W...

CVE-2026-41502: Out-of-bounds Read

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service decoder allows unauthenticated remote attackers to read one byte past an allocated buffer boundary by...

CVE-2026-40279

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decodesigned32 in src/bacnet/bacint.c reconstructs a 32-bit signed integer from four APDU bytes using signed left shifts. When any of the four bytes has bit 7 set value ≥ 0x80, the left-shift...

CVE-2026-40279

BACnet Stack (open-source C library for embedded systems) contains a defect in decode_signed32() in src/bacnet/bacint.c where reconstructing a 32-bit signed integer from four APDU bytes via signed left shifts can overflow signed int32_t when any byte has bit 7 set (>= 0x80). This undefined beh...

CVE-2026-40279

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decodesigned32 in src/bacnet/bacint.c reconstructs a 32-bit signed integer from four APDU bytes using signed left shifts. When any of the four bytes has bit 7 set value ≥ 0x80, the left-shift...

EUVD-2026-24166

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decodesigned32 in src/bacnet/bacint.c reconstructs a 32-bit signed integer from four APDU bytes using signed left shifts. When any of the four bytes has bit 7 set value ≥ 0x80, the left-shift...

CVE-2026-40279 BACnet Stack: Undefined-behavior signed left shift in `decode_signed32()`

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decodesigned32 in src/bacnet/bacint.c reconstructs a 32-bit signed integer from four APDU bytes using signed left shifts. When any of the four bytes has bit 7 set value ≥ 0x80, the left-shift...