CVE-2025-5399

ADVISORY - nist

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.

EPSS Score⁠: 0.00065 (0.205)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-835⁠

Loop with Unreachable Exit Condition ('Infinite Loop')

Impacted images

Advisories

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