CVE-2018-10238

bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer Overflow because of a lack of packet-size validation. The affected component is bacserv BACnet/IP BVLC forwarded NPDU. The function bvlc_bdt_forward_npdu() calls bvlc_encode_forwarded_npdu() which copies the content from the request into a local in the bvlc_bdt_forward_npdu() stack frame and clobbers the canary. The attack vector is: A BACnet/IP device with BBMD enabled based on this library connected to IP network. The fixed version is: 0.8.6.

• CWE-119

• https://sourceforge.net/p/bacnet/bugs/55/
• https://sourceforge.net/p/bacnet/code/3168/Patch, Third Party Advisory
• https://sourceforge.net/p/bacnet/code/3169/
• https://sourceforge.net/p/bacnet/bugs/55/
• https://sourceforge.net/p/bacnet/code/3168/Patch, Third Party Advisory
• https://sourceforge.net/p/bacnet/code/3169/

Published

Apr 20, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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