THREAT OPS › Threat News › [NVD] CVE-2026-11586 (HIGH 7.5) — 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.
[NVD] CVE-2026-11586 (HIGH 7.5) — 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.
CVE-2026-11586 CVSS: 7.5 HIGH Published: 2026-07-03T07:16:23.883
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.
Indicators of compromise
- CVE-2026-11586cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-11586