CVE-2026-11586
WS Auto-PONG memory exhaustion
cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-11586
PublishedBy 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.
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CVE-2026-11586 · CVE overview and exploitation status
cve-program · CVE-2026-11586
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