RHSA-2026:0930MediumCVSS 5.3

Red Hat Security Advisory: pcs security update

Published
January 21, 2026
Last Modified
October 9, 2026

🔗 CVE IDs covered (2)

CVE-2025-67726 →CVE-2025-67725 →

📋 Description

CVE-2025-67725 — tornado: Tornado Quadratic DoS via Repeated Header Coalescing CVE-2025-67726 — tornado: Tornado Quadratic DoS via Crafted Multipart Parameters

🎯 Affected products18

  • Red Hat Enterprise Linux HighAvailability (v. 8)
  • Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.aarch64 as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.ppc64le as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.ppc64le as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.s390x as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.s390x as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.src as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.src as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.x86_64 as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-0:0.10.18-2.el8_10.8.x86_64 as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.aarch64 as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.ppc64le as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.ppc64le as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.s390x as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.s390x as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.x86_64 as a component of Red Hat Enterprise Linux HighAvailability (v. 8)
  • pcs-snmp-0:0.10.18-2.el8_10.8.x86_64 as a component of Red Hat Enterprise Linux ResilientStorage (v. 8)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

🔗 References (5)