Heap-based Buffer Overflow Affecting davenardella/snap7 package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.41% (34th percentile)

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  • Snyk IDSNYK-UNMANAGED-DAVENARDELLASNAP7-17705237
  • published30 Jun 2026
  • disclosed29 Jun 2026
  • creditUnknown

Introduced: 29 Jun 2026

CVE-2026-51218  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for davenardella/snap7.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the PerformFunctionWrite function. An attacker can cause the application to crash or become unresponsive by sending a specially crafted packet.

References

CVSS Base Scores

version 4.0
version 3.1