Vulnerability-Lookup

ubuntu-cve-2026-10649

Vulnerability from osv_ubuntu

Published

2026-06-16 17:16

Modified

2026-06-24 08:58

Summary

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.

Severity

8.6 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-10649	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-10649	REPORT
	https://www.openwall.com/lists/oss-security/2026/…	REPORT
	https://github.com/clusterLabs/pacemaker/pull/4128	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@1.1.14-2ubuntu1.9?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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": [
          {
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            "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"
          },
          {
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            "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"
          }
        ]
      },
      "package": {
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        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@1.1.18-0ubuntu1.3?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "1.1.18~rc3-1ubuntu1",
        "1.1.18~rc4-1ubuntu1",
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        "1.1.18-0ubuntu1.1",
        "1.1.18-0ubuntu1.2",
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      ]
    },
    {
      "ecosystem_specific": {
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          },
          {
            "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@2.0.3-3ubuntu4.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "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": "2.1.2-1ubuntu3.1"
          },
          {
            "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"
          }
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      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@2.1.2-1ubuntu3.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "2.1.2-1ubuntu1",
        "2.1.2-1ubuntu2",
        "2.1.2-1ubuntu3",
        "2.1.2-1ubuntu3.1"
      ]
    },
    {
      "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@2.1.6-5ubuntu2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.6-1ubuntu1",
        "2.1.6-4ubuntu1",
        "2.1.6-5ubuntu1",
        "2.1.6-5ubuntu2"
      ]
    },
    {
      "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@3.0.0-2ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.8-1ubuntu2",
        "2.1.8-1ubuntu5",
        "3.0.0-2ubuntu1"
      ]
    },
    {
      "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",
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          },
          {
            "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"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "pacemaker",
        "purl": "pkg:deb/ubuntu/pacemaker@3.0.1-1ubuntu2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.0-2ubuntu1",
        "3.0.1-1ubuntu1",
        "3.0.1-1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "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.",
  "id": "UBUNTU-CVE-2026-10649",
  "modified": "2026-06-24T08:58:46Z",
  "published": "2026-06-16T17:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-10649"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-10649"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2026/06/16/6"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/clusterLabs/pacemaker/pull/4128"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-10649"
  ]
}

CVE-2026-10649 (GCVE-0-2026-10649)

Vulnerability from cvelistv5 – Published: 2026-06-16 15:57 – Updated: 2026-07-15 11:49

Title

Pacemaker: pacemaker: denial of service via integer overflow in remote message decompression

Summary

Severity

8.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

redhat

References

7 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:39322	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:39323	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-10649	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2462817	issue-trackingx_refsource_REDHAT
https://github.com/clusterLabs/pacemaker/pull/4128
http://www.openwall.com/lists/oss-security/2026/06/16/6
https://security.access.redhat.com/data/csaf/v2/v…	x_sadp-csaf-vex

Impacted products

8 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:2.1.7-5.6.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::appstream cpe:/a:redhat:enterprise_linux:8::highavailability cpe:/a:redhat:enterprise_linux:8::resilientstorage
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:2.1.10-3.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream cpe:/a:redhat:enterprise_linux:9::highavailability cpe:/a:redhat:enterprise_linux:9::resilientstorage
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:2.1.7-5.6.el8_10 , < * (rpm) cpe:/a:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:2.1.10-3.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9

Date Public

2026-06-16 00:00

Credits

This issue was discovered by AISLE Research and Found by AISLE in partnership with Red Hat.

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

ubuntu-cve-2026-10649

Vulnerability from osv_ubuntu

CVE-2026-10649 (GCVE-0-2026-10649)

Tags

Sightings

Nomenclature