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
0.25% (17th percentile)

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  • Snyk IDSNYK-CONAN-LIBIEC61850-18488383
  • published31 Jul 2026
  • disclosed31 Jul 2026
  • creditUnknown

Introduced: 31 Jul 2026

NewCVE-2026-63550  (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 in the MMS BER decoder when processing certain fields within confirmed-request messages. An attacker can cause the MMS handling process to terminate unexpectedly by sending a crafted BER-encoded element over an established MMS session (TCP port 102), resulting in a denial of service.

CVSS Base Scores

version 4.0
version 3.1