CVE Vulnerabilities

CVE-2025-5399

Published: Jun 07, 2025 | Modified: Jun 09, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
4.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Ubuntu
LOW

Due to a mistake in libcurls 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.

Affected Software

Name Vendor Start Version End Version
Curl Ubuntu devel *
Curl Ubuntu upstream *

References