CVE-2025-62689

High

Description

NULL pointer dereference vulnerability exists in GNU libmicrohttpd v1.0.2 and earlier. The vulnerability was fixed in commit ff13abc on the master branch of the libmicrohttpd Git repository, after the v1.0.2 tag. A specially crafted packet sent by an attacker could cause a denial-of-service (DoS) condition.

SeverityHigh
CVSS8.7
Exploit probability—
ProductGnu Libmicrohttpd
PublishedNov 10, 2025
First seenNov 10, 2025
Weakness typeCWE-122CWE-122

How to fix

Update
  • gnu libmicrohttpd1.0.3 or later

Affected products

ProductAffected versionsFixed in
gnu libmicrohttpdv < 1.0.31.0.3

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