Heap-based Buffer Overflow Affecting libmicrohttpd package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (10th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBMICROHTTPD-13864792
  • published10 Nov 2025
  • disclosed10 Nov 2025
  • creditTatsuhiko Yasumatsu

Introduced: 10 Nov 2025

NewCVE-2025-62689  (opens in a new tab)
CWE-122  (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 Heap-based Buffer Overflow via libmicrohttpd_ws.so when building with the --enable-experimental option. An attacker can cause the application to crash by sending malicious network traffic.

##Workaround Users are advised to avoid using the libmicrohttpd_ws.so component as it is an experimental implementation.

CVSS Base Scores

version 4.0
version 3.1