CVE-2026-11586
Description
By default, curl automatically responds to WebSocket PING frames. Because curl
lacks an upper bound on memory allocation for unacknowledged frames, a
malicious server can exhaust all available memory by flooding curl with rapid,
sequential PING messages.
Metadata
Severity & Metrics
No CVSS data available.
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| curl | curl | — | 8.20.0 ≤ 8.20.0, 8.19.0 ≤ 8.19.0, 8.18.0 ≤ 8.18.0, 8.17.0 ≤ 8.17.0 … |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| — | cna | CWE-770 Allocation of Resources Without Limits or Throttling |
References (3)