CVE-2025-62689

State: Published
Severity: 8.7 High
Published: Nov 10, 2025
Updated: Nov 14, 2025
Reserved: Nov 3, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	jpcert
3.0	7.5 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	jpcert

Weaknesses

CWE-122 Heap-based buffer overflow

Affected Products

Product	Versions
GNU libbmicrohttpdGNU Project	v1.0.2 and earlier (The vulnerability remains in the source code up until commit ff13abc on the master branch of the libmicrohttpd Git repositoryAffected after the v1.0.2 tag.)Affected

References

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