CVE-2025-62689

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.

Score

CVSS 4.0 8.7 High

Status

Analyzed - vultures@jpcert.or.jp

Published

2025-11-10

Last modified

2026-10-08

Weaknesses

CWE-122

Affected products

• Libmicrohttpd (Gnu)
• Gnu Libbmicrohttpd (Gnu Project)

References

• https://www.gnu.org/software/libmicrohttpd/
• https://git.gnunet.org/libmicrohttpd.git/commit/?id=ff13abc1c1d7d2b30d69d5c0bd4a237e1801c50b
• https://jvn.jp/en/jp/JVN76719218/