CVE-2025-62689

HIGH EPSS 29.3%
Published Nov 10, 20257mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
High
Find Similar
Published Nov 10, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
29.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-122

Affected Products 1

VendorProductVersionRange
gnulibmicrohttpd* <2025-09-16

References 3

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

Remediation

  • git.gnunet.org https://git.gnunet.org/libmicrohttpd.git/commit/?id=ff13abc1c1d7d2b30d69d5c0bd4a237e1801c50b
    Patch