RHSA-2025:8279 — Security Advisory
Red Hat Security Advisory: pcs security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · May 29, 2025
Updated · October 16, 2026
Topic
An update for pcs is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.
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.
Description
The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.
Security Fix(es):
-
rubygem-rack: Unbounded-Parameter DoS in Rack::QueryParser (CVE-2025-46727)
-
tornado: Tornado Multipart Form-Data Denial of Service (CVE-2025-47287)
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.