Linux Distros Unpatched Vulnerability : CVE-2026-10649

high Nessus Plugin ID 321217

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- 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.
(CVE-2026-10649)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: High

ID: 321217

File Name: unpatched_CVE_2026_10649.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 6/16/2026

Updated: 6/17/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.75

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-10649

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:redhat:enterprise_linux:pacemaker-schemas, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:redhat:enterprise_linux:pacemaker-libs, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:centos:centos:pacemaker-cli, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:pacemaker-libs-devel, p-cpe:/a:centos:centos:pacemaker, cpe:/o:debian:debian_linux:12.0, cpe:/o:canonical:ubuntu_linux:25.10, cpe:/o:redhat:enterprise_linux:9, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:redhat:enterprise_linux:pacemaker-doc, p-cpe:/a:centos:centos:pacemaker-remote, cpe:/o:centos:centos:8, p-cpe:/a:redhat:enterprise_linux:pacemaker-nagios-plugins-metadata, cpe:/o:redhat:enterprise_linux:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:redhat:enterprise_linux:pacemaker, p-cpe:/a:redhat:enterprise_linux:pacemaker-cts, p-cpe:/a:centos:centos:pacemaker-nagios-plugins-metadata, p-cpe:/a:centos:centos:pacemaker-doc, p-cpe:/a:redhat:enterprise_linux:pacemaker-cli, p-cpe:/a:redhat:enterprise_linux:pacemaker-remote, p-cpe:/a:centos:centos:pacemaker-cts, p-cpe:/a:centos:centos:pacemaker-cluster-libs, p-cpe:/a:canonical:ubuntu_linux:pacemaker, p-cpe:/a:centos:centos:pacemaker-schemas, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, p-cpe:/a:debian:debian_linux:pacemaker, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:python3-pacemaker, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:pacemaker-libs-devel, p-cpe:/a:redhat:enterprise_linux:python3-pacemaker, p-cpe:/a:redhat:enterprise_linux:pacemaker-cluster-libs, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:debian:debian_linux:14.0, p-cpe:/a:centos:centos:pacemaker-libs

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/16/2026

Reference Information

CVE: CVE-2026-10649

Detections

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