CVE-2025-5399 — WebSocket endless loop
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 oth…
Published: 2025-06-07 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7