NULL Pointer Dereference Affecting libcoap package, versions [0,]


Severity

Recommended
0.0
high
0
10

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  • Snyk IDSNYK-CONAN-LIBCOAP-14105106
  • published25 Nov 2025
  • disclosed24 Nov 2025
  • creditQingpeng Du

Introduced: 24 Nov 2025

NewCVE-2025-65494  (opens in a new tab)
CWE-476  (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 NULL Pointer Dereference via the get_san_or_cn_from_cert() function. An attacker can cause a crash of the application by supplying a specially crafted X.509 certificate that triggers a NULL pointer dereference.

CVSS Base Scores

version 4.0
version 3.1