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.
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Curl | Haxx | 8.13.0 (including) | 8.14.1 (excluding) |
| Curl | Ubuntu | devel | * |
| Curl | Ubuntu | upstream | * |