Heap-based Buffer Overflow Affecting wolfssl/wolfssl package, versions [,5.9.1)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (15th percentile)

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  • Snyk IDSNYK-UNMANAGED-WOLFSSLWOLFSSL-15990392
  • published12 Apr 2026
  • disclosed9 Apr 2026
  • creditUnknown

Introduced: 9 Apr 2026

NewCVE-2026-5187  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade wolfssl/wolfssl to version 5.9.1 or higher.

Overview

wolfssl/wolfssl is a None

Affected versions of this package are vulnerable to Heap-based Buffer Overflow. via the DecodeObjectId function. An attacker can cause memory corruption or potentially execute arbitrary code by supplying crafted OID data that triggers a heap out-of-bounds write.

References

CVSS Base Scores

version 4.0
version 3.1