CVE-2025-4947

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.
References
Link Resource
https://curl.se/docs/CVE-2025-4947.html Vendor Advisory Patch
https://curl.se/docs/CVE-2025-4947.json Vendor Advisory
https://hackerone.com/reports/3150884 Exploit Patch Issue Tracking
http://www.openwall.com/lists/oss-security/2025/05/28/4 Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

History

26 Jun 2025, 15:08

Type Values Removed Values Added
New CVE

Information

Published : 2025-05-28 07:15

Updated : 2025-06-26 15:08


NVD link : CVE-2025-4947

Mitre link : CVE-2025-4947

CVE.ORG link : CVE-2025-4947


JSON object : View

Products Affected

haxx

  • curl
CWE
CWE-295

Improper Certificate Validation