High 2026-07-20

Pacemaker Security Update — AlmaLinux 9 (ALSA-2026:39323)

AlmaLinux 9

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 mo…

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 mo…

Type:

security

Severity:

important

Release date:

2026-07-20

Description:

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.

References:

Updated packages listed below:

Architecture	Package	Checksum
aarch64	pacemaker-cluster-libs-2.1.10-3.el9_8.aarch64.rpm	9cb62a802677f0c0028f963f4b5c8a76a5a088539227ca7be4bb19d55f86e8bf
aarch64	pacemaker-libs-2.1.10-3.el9_8.aarch64.rpm	bc31e26a8a8585a03514ad961e6a2ab661796edd513081999f4efe50ec30a06b
i686	pacemaker-libs-2.1.10-3.el9_8.i686.rpm	3772172b05db0f21f1e9cb7b4f1f8fc822bd982aabca95920f7fe32edb19a0d9
i686	pacemaker-cluster-libs-2.1.10-3.el9_8.i686.rpm	8e9db1e04ff454da24f85f8092b9a2babdf8e5f5bae8eae8fc0efaf976755ddd
i686	pacemaker-libs-devel-2.1.10-3.el9_8.i686.rpm	92ffad0e8520ff27f4b8334da440bd586b77859255e6299193f288de1fcb5f27
noarch	pacemaker-cts-2.1.10-3.el9_8.noarch.rpm	4609497752beda144cfc0a4162ad67144a7d4741c713b99fd52495c54edf423c
noarch	pacemaker-doc-2.1.10-3.el9_8.noarch.rpm	78894a57bdb95ceedb11175683500a589b795414b6c5958f6743608600616370
noarch	python3-pacemaker-2.1.10-3.el9_8.noarch.rpm	897df5953693c89b376b77d5f549c427ba994b3c6c2f9d48f67e7339aefc8cb3
noarch	pacemaker-schemas-2.1.10-3.el9_8.noarch.rpm	a589196ef5ee06f85babd1361cfed46835235482de7612a1a68e023eb7eb09a3
noarch	pacemaker-nagios-plugins-metadata-2.1.10-3.el9_8.noarch.rpm	c51c10a24d6d63048acfb59f2a918f06dd6032529d83503e05d4d1ccf20af30d
ppc64le	pacemaker-cluster-libs-2.1.10-3.el9_8.ppc64le.rpm	3483946305528971c85f2e4ee1ccdeb48f632d5988aff29a4b1c95f4a20529fc
ppc64le	pacemaker-remote-2.1.10-3.el9_8.ppc64le.rpm	554eef608dab7d4afddcbcc561759db8d5c333e5a1791ee84dd97c85a531ccf1
ppc64le	pacemaker-libs-devel-2.1.10-3.el9_8.ppc64le.rpm	5946cfbe9d2e6ff696165bffa93c4a63b6d7609b764cf0bda8f146dff21a0813
ppc64le	pacemaker-2.1.10-3.el9_8.ppc64le.rpm	679224cd8148ea2fe893c7a7fd4ece1b008299af26e6cdf1de52b75e26b4a797
ppc64le	pacemaker-libs-2.1.10-3.el9_8.ppc64le.rpm	cbb282190719b22c9cd5aeb7749cd38ba0d909a84278cb6232829fbbc8e6e8a8
ppc64le	pacemaker-cli-2.1.10-3.el9_8.ppc64le.rpm	e007b1f6f3f4ac8a27ff6025deb0eeb4aa3899dbb5e070df398f9eae90cf7944
s390x	pacemaker-libs-devel-2.1.10-3.el9_8.s390x.rpm	65a2d128b285ab45645168529d0747206b62f4f67a61a4466dcac83a3b3e4b25
s390x	pacemaker-libs-2.1.10-3.el9_8.s390x.rpm	681eb0ceaeca7e21360447b8a46ffa519602fc6fab9ef35a05bbf57acfc4252a
s390x	pacemaker-cluster-libs-2.1.10-3.el9_8.s390x.rpm	70f5da94190eb29623859a93041755fa680377901c04b5a9edb56e246bd8d2c8
s390x	pacemaker-cli-2.1.10-3.el9_8.s390x.rpm	9fd7fde5a005274f0c3e52b3fd89ff25d70462b7d820adf8dbfb4fb366458c7f
s390x	pacemaker-remote-2.1.10-3.el9_8.s390x.rpm	a276c39694e51d5841f8b734db6691675fc5dec05021316dfff1361e0fad4dd3
s390x	pacemaker-2.1.10-3.el9_8.s390x.rpm	ab4d3d610440ae91f99f29a94c0e647fb9100c38784e677e8121395085fa379a
x86_64	pacemaker-cluster-libs-2.1.10-3.el9_8.x86_64.rpm	0a7c242a53e8fb2fafba34868c0789f5e0d9261ba1aad3a9af2a32d72ad1db14
x86_64	pacemaker-remote-2.1.10-3.el9_8.x86_64.rpm	18a11bfd80c7d32b55770d6e0eb6b4ec49690987c3006de95f124cda2ec9d0ac
x86_64	pacemaker-libs-2.1.10-3.el9_8.x86_64.rpm	2a4e0c734b8ff6b8db8dbc9d6049a9b734045a2c4361bdd7df9d63cedcd3ccd2
x86_64	pacemaker-2.1.10-3.el9_8.x86_64.rpm	6d6b6c2556d4a11640064eb26c84977326afaadc6d5ca14e87b5a2685e4da8d8
x86_64	pacemaker-cli-2.1.10-3.el9_8.x86_64.rpm	ed806efae6b534d419d79804a7771b19186e27665fa99fbd5b8bd7bf37c743ee
x86_64	pacemaker-libs-devel-2.1.10-3.el9_8.x86_64.rpm	f5527bf2e0a29b551fdf43a8eba729e8f81a76991ad906615ce233ca8732a4e7

Notes:

This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

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