WebSocket endless loop
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| curl | curl | unaffected |
|
No data.
| Vendor | Product | Versions |
|---|---|---|
| Curl | Curl | — |
| Curl | Libcurl | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-17371 | 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. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.4% (1.435% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Haxx
Haxx curl |
|
| CPEs | cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Haxx
Haxx curl |
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-835 | |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | WebSocket endless loop | |
| References |
|