CVEvulnerability
CVE-2025-4947
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-05-28
- Last modified
- 2026-06-17
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-295
Description
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.
Affected configurations
• haxx curl (>= 8.8.0 < 8.14.0)
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- https://curl.se/docs/CVE-2025-4947.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2025-4947.json Vendor Advisory
- https://hackerone.com/reports/3150884 Exploit, Issue Tracking, Patch
- http://www.openwall.com/lists/oss-security/2025/05/28/4 Mailing List, Patch, Third Party Advisory