Summary
The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures.
Security Fix(es):
* pacemaker: Pacemaker: Denial of Service via integer overflow in remote message decompression (CVE-2026-10649)
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.
Fixed packages 11
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | pacemaker | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-cli | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-cluster-libs | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-cts | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-doc | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-libs | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-libs-devel | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-nagios-plugins-metadata | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-remote | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | pacemaker-schemas | 2.1.10-3.el9_8 |
| AlmaLinux · 9 | python3-pacemaker | 2.1.10-3.el9_8 |
Vulnerabilities 1
-
High 8.6
Pacemaker: pacemaker: denial of service via integer overflow in remote message decompression
A flaw was found in Pacemaker. An unauthenticated remote attacker can exploit an integer overflow vulnerability in the remote message decompression process. By sending a specially crafted compressed remote message before authentication, an attacker can cause …