Out-of-bounds Read Affecting libiec61850 package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.29% (19th percentile)

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  • Snyk IDSNYK-CONAN-LIBIEC61850-21248790
  • published19 Oct 2026
  • disclosed31 Jul 2026
  • creditUnknown

Introduced: 31 Jul 2026

CVE-2026-66369  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read via the GOOSE parser. An attacker can cause the subscriber process to terminate and disrupt service by sending a specially crafted unauthenticated Layer-2 multicast frame that triggers incorrect buffer handling.

References

CVSS Base Scores

version 4.0
version 3.1