Allocation of Resources Without Limits or Throttling Affecting rhcos package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.62% (46th percentile)

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  • Snyk IDSNYK-RHEL7-RHCOS-17880684
  • published7 Jul 2026
  • disclosed3 Jul 2026

Introduced: 3 Jul 2026

NewCVE-2026-11586  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 rhcos.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rhcos package and not the rhcos package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1