cve.bz

CVE-2026-52787 BACnet Stack: Global APDU transmit buffer out-of-bounds write in device.address-binding response encoding via address_list_encode()

7.5 high

High (7.5) in bacnet-stack bacnet-stack.

On this page
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.5, 1.5.1, and 1.6.0-rc2, a reachable out-of-bounds write exists when encoding the device.address-binding property. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0-rc2.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWEs
CWE-131 Incorrect Calculation of Buffer Size
CWE-787 Out-of-bounds Write
Published
Modified
Assigned by
GitHub_M (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CVE-2026-52787 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-52787?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-52787?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-52787 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Badge for a README or a site

CVE-2026-52787

An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:

[![CVE-2026-52787](https://cve.bz/cve/badge/CVE-2026-52787.svg)](https://cve.bz/cve/CVE-2026-52787)

HTML:

<a href="https://cve.bz/cve/CVE-2026-52787"><img src="https://cve.bz/cve/badge/CVE-2026-52787.svg" alt="CVE-2026-52787"></a>

Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
bacnet-stack< 1.4.5
bacnet-stack< 1.5.1
bacnet-stack< 1.6.0-rc2

Attack patterns (CAPEC)

  • CAPEC-47 Buffer Overflow via Parameter Expansion Likelihood: Medium · Severity: High
  • CAPEC-100 Overflow Buffers Likelihood: High · Severity: Very High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

Check your stackJSON