An update for pcs is now available for Red Hat Enterprise Linux 8.8 Update
 Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of
 Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The pcs packages provide a command-line configuration system for the Pacemaker
 and Corosync utilities.

Security Fix(es):

* rubygem-rack: Rack QueryParser has an unsafe default allowing params_limit
 bypass via semicolon-separated parameters (CVE-2025-59830)

* rack: Rack's unbounded multipart preamble buffering enables DoS (memory
 exhaustion) (CVE-2025-61770)

* rack: Rack's multipart parser buffers large non?file fields entirely in
 memory, enabling DoS (memory exhaustion) (CVE-2025-61771)

* rack: Rack memory exhaustion denial of service (CVE-2025-61772)

* rubygem-rack: Unbounded read in `Rack::Request` form parsing can lead to
 memory exhaustion (CVE-2025-61919)

For more details about the security issue(s), including the impact, a CVSS
 score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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CVE-2025-59830: Allocation of Resources Without Limits or Throttling (CWE-770)
CVE-2025-61770: Uncontrolled Resource Consumption (CWE-400)
CVE-2025-61771: Improper Validation of Specified Quantity in Input (CWE-1284)
CVE-2025-61772: Uncontrolled Resource Consumption (CWE-400)
CVE-2025-61919: Uncontrolled Resource Consumption (CWE-400)