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CVE-2025-5399

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CVE-2025-5399

Published: Jun 7, 2025

Modified: Jun 9, 2025

PUBLISHED

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.

VendorProductVersions

curl

curl

affected
8.14.0 - <= 8.14.0
affected
8.13.0 - <= 8.13.0

References

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