BACnet Protocol Stack through 0.8.6 has a segmentation fault leading to denial of service…
Priority MEDIUM 58CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.3389 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:* | up to 0.8.6 | Vulnerable | Bacnet Protocol Stack Project |
- cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:* Versions up to 0.8.6 Vulnerable ·Bacnet Protocol Stack Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-12480
- 2026-10-03 Alias added: GHSA-cc8w-j726-c7gj
References
Other 6
More Bacnet Protocol Stack Project Bacnet Protocol Stack vulnerabilities
- TI-2018-07262 bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2019-12480 · CVE Program
- CVE-2019-12480 · NVD
- FIRST EPSS
- GHSA-cc8w-j726-c7gj · GitHub Advisory Database · CC BY 4.0
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