AlmaLinux alert ALSA-2025:21036 (pcs)

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[Announce] [Security Advisory] ALSA-2025:21036: pcs security update (Important)
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Fri, 05 Dec 2025 11:12:15 +0000
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<0100019aee366b10-34b1896e-b65c-4acb-8cfa-e896b3bd0448-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 10
Type: Security
Severity: Important
Release date: 2025-12-05

Summary:

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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/10/ALSA-2025-21036.html

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AlmaLinux Team
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