Feed/CVE-2025-5399
CVE-2025-5399HIGHCVSS 7.5

CVE-2025-5399

Published Jun 7, 2025·Updated Jun 17, 2026

NVD Description

Due to a mistake in libcurl's WebSocket code, a malicious server can send a particularly crafted packet which makes libcurl get trapped in an endless busy-loop. There is no other way for the application to escape or exit this loop other than killing the thread/process. This might be used to DoS libcurl-using application.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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