CVE Vulnerabilities

CVE-2025-4947

Improper Certificate Validation

Published: May 28, 2025 | Modified: Jun 26, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
6.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Ubuntu
MEDIUM

libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

Name Vendor Start Version End Version
Curl Haxx 8.8.0 (including) 8.14.0 (excluding)
Curl Ubuntu upstream *

Potential Mitigations

References