UBUNTU-CVE-2026-10649

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Source
https://ubuntu.com/security/CVE-2026-10649
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-10649
Upstream
  • CVE-2026-10649
Published
2026-06-16T17:16:00Z
Modified
2026-06-24T11:01:15.060454214Z
Severity
  • 8.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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 memory corruption, leading to a denial of service (DoS) in the CIB remote listener. This can result in the affected service crashing.

References

Affected packages

Ubuntu:16.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.1.12-0ubuntu2
1.1.12-0ubuntu3
1.1.14~rc4-2ubuntu1
1.1.14-1ubuntu1
1.1.14-1ubuntu2
1.1.14-2ubuntu1
1.1.14-2ubuntu1.1
1.1.14-2ubuntu1.2
1.1.14-2ubuntu1.3
1.1.14-2ubuntu1.4
1.1.14-2ubuntu1.5
1.1.14-2ubuntu1.6
1.1.14-2ubuntu1.7
1.1.14-2ubuntu1.8
1.1.14-2ubuntu1.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib4",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libcrmcluster4",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libcrmcommon3",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libcrmservice3",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "liblrmd1",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libpe-rules2",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libpe-status10",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libpengine10",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libstonithd2",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "libtransitioner2",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "1.1.14-2ubuntu1.9"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "1.1.14-2ubuntu1.9"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:18.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.1.16-1ubuntu1
1.1.18~rc3-1ubuntu1
1.1.18~rc4-1ubuntu1
1.1.18-0ubuntu1
1.1.18-0ubuntu1.1
1.1.18-0ubuntu1.2
1.1.18-0ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib4",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libcrmcluster4",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libcrmcommon3",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libcrmservice3",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "liblrmd1",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libpe-rules2",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libpe-status10",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libpengine10",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libstonithd2",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "libtransitioner2",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "1.1.18-0ubuntu1.3"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "1.1.18-0ubuntu1.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:20.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.1-4ubuntu2
2.0.1-5ubuntu1
2.0.1-5ubuntu5
2.0.3-3ubuntu1
2.0.3-3ubuntu3
2.0.3-3ubuntu4
2.0.3-3ubuntu4.1
2.0.3-3ubuntu4.2
2.0.3-3ubuntu4.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib27",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libcrmcluster29",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libcrmcommon34",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libcrmservice28",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "liblrmd28",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libpacemaker1",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libpe-rules26",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libpe-status28",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "libstonithd26",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "2.0.3-3ubuntu4.3"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "2.0.3-3ubuntu4.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:22.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.0.5-2ubuntu3
2.1.2-1ubuntu1
2.1.2-1ubuntu2
2.1.2-1ubuntu3
2.1.2-1ubuntu3.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib27",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libcrmcluster29",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libcrmcommon34",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libcrmservice28",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "liblrmd28",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libpacemaker1",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libpe-rules26",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libpe-status28",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "libstonithd26",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "2.1.2-1ubuntu3.1"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "2.1.2-1ubuntu3.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:24.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.6-1ubuntu1
2.1.6-4ubuntu1
2.1.6-5ubuntu1
2.1.6-5ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib27t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libcrmcluster29t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libcrmcommon34t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libcrmservice28t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "liblrmd28t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libpacemaker1t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libpe-rules26t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libpe-status28t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "libstonithd26t64",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker-cts",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "2.1.6-5ubuntu2"
        },
        {
            "binary_name": "python3-pacemaker",
            "binary_version": "2.1.6-5ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:25.10
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.1.8-1ubuntu2
2.1.8-1ubuntu5
3.*
3.0.0-2ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib54",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libcrmcluster53",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libcrmcommon68",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libcrmservice53",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "liblrmd52",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libpacemaker30",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libpe-rules51",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libpe-status56",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "libstonithd56",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker-cts",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "3.0.0-2ubuntu1"
        },
        {
            "binary_name": "python3-pacemaker",
            "binary_version": "3.0.0-2ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"
Ubuntu:26.04:LTS
pacemaker

Package

Name
pacemaker
Purl
pkg:deb/ubuntu/pacemaker?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.0.0-2ubuntu1
3.0.1-1ubuntu1
3.0.1-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libcib54",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libcrmcluster53",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libcrmcommon68",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libcrmservice53",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "liblrmd52",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libpacemaker30",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libpe-rules51",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libpe-status56",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "libstonithd56",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker-cli-utils",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker-common",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker-cts",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker-remote",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "pacemaker-resource-agents",
            "binary_version": "3.0.1-1ubuntu2"
        },
        {
            "binary_name": "python3-pacemaker",
            "binary_version": "3.0.1-1ubuntu2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-10649.json"