CVE-2025-5399 (GCVE-0-2025-5399)

Vulnerability from cvelistv5 – Published: 2025-06-07 07:49 – Updated: 2025-06-09 13:20
VLAI?
Title
WebSocket endless loop
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
curl curl Affected: 8.14.0 , ≤ 8.14.0 (semver)
Affected: 8.13.0 , ≤ 8.13.0 (semver)
Create a notification for this product.
Credits
z2_ on hackerone z2_ on hackerone
Show details on NVD website
To clipboard 

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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