Out-of-bounds Write Affecting open62541 package, versions [1.0.3,1.0.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.08% (25th percentile)

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  • Snyk IDSNYK-CONAN-OPEN62541-10077827
  • published8 May 2025
  • disclosed20 Jul 2021
  • creditUnknown

Introduced: 20 Jul 2021

CVE-2020-36429  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade open62541 to version 1.0.6 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write. Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.

CVSS Base Scores

version 3.1