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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
jpcertCNA
7.5 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
VendorProductVersion
gnulibmicrohttpd
𝑥
< 2025-09-16
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libmicrohttpd
bullseye
unimportant
bookworm
unimportant
trixie
unimportant
forky
unimportant
sid
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libmicrohttpd
questing
needs-triage
plucky
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
References
https://git.gnunet.org/libmicrohttpd.git/commit/?id=ff13abc1c1d7d2b30d69d5c0bd4a237e1801c50b
https://jvn.jp/en/jp/JVN76719218/
https://www.gnu.org/software/libmicrohttpd/