ZeroHour

CVE-2025-5399

PoC
CVSS 3.1
7.5 high
EPSS
1%p70
Published
()
Modified
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.

Vendors
haxx
Products
curl
Weakness
CWE-835
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

In the news

No ingested article mentions this CVE yet.