#VU118833 NULL pointer dereference in libmicrohttpd - CVE-2025-59777

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Main Vulnerability Database Vulnerabilities #VU118833

#VU118833 NULL pointer dereference in libmicrohttpd - CVE-2025-59777

Published: November 28, 2025


Vulnerability identifier: #VU118833
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59777
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libmicrohttpd
Software vendor:
GNU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can send a specially crafted HTTP request to the server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's repository.

External links