Check Point Advisories

Red Hat Pacemaker Integer Overflow (CVE-2026-10649)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-10691
Date Published:	31 Aug 2026
Severity:	High
Last Updated:	Monday 31 August, 2026
Source:
Industry Reference:	CVE-2026-10649
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Red Hat Pacemaker 3.0.1-5.el10_2.1 and prior Red Hat Pacemaker 3.0.0-5.3.el10_0 and prior Red Hat Pacemaker 1.1.23-1.el7_9.2 and prior Red Hat Pacemaker 2.1.7-5.6.el8_10 and prior Red Hat Pacemaker 2.0.5-9.el8_4.12 and prior Red Hat Pacemaker 2.1.2-4.el8_6.11 and prior Red Hat Pacemaker 2.1.5-9.7.el8_8 and prior Red Hat Pacemaker 2.1.10-3.el9_8 and prior Red Hat Pacemaker 2.1.5-9.el9_2.7 and prior Red Hat Pacemaker 2.1.7-5.5.el9_4 and prior Red Hat Pacemaker 2.1.9-1.4.el9_6 and prior
Vulnerability Description	An integer overflow vulnerability in Red Hat Pacemaker allows unauthenticated remote attackers to exploit the remote message decompression process, causing memory corruption and leading to a denial-of-service condition.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Red Hat Pacemaker Integer Overflow (CVE-2026-10649) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: Red Hat Pacemaker Integer Overflow (CVE-2026-10649)