CVEvulnerability
CVE-2026-10649
8.6 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-06-16
- Last modified
- 2026-08-21
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- Weaknesses
- CWE-190
Description
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.
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- https://access.redhat.com/errata/RHSA-2026:39322 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:39323 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:40833 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41041 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41042 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41043 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41044 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42041 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42075 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42076 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:43606 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-10649 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2462817 bugzilla.redhat.com
- https://github.com/clusterLabs/pacemaker/pull/4128 github.com
- http://www.openwall.com/lists/oss-security/2026/06/16/6 www.openwall.com
- https://access.redhat.com/errata/RHSA-2026:39322 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:39323 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:40833 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41041 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41042 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41043 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:41044 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42041 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42075 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:42076 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:43606 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-10649 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2462817 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-10649.json security.access.redhat.com