vulnerability

Arch Linux: Denial of service (CVE-2025-5399)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Jun 7, 2025
Added
Jul 11, 2025
Modified
Nov 27, 2025

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.

Solution

arch-linux-upgrade-latest
Title
NEW

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