Lucene search
+L

CVE-2026-81666

🗓️ 04 Sep 2026 09:46:06Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Integer overflow in Corosync membership commit token check on 32-bit systems causes DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-81666 Corosync: corosync: integer overflow in check_memb_commit_token_sanity may bypass message length validation on 32-bit systems
4 Sep 202609:46
cvelist
debiancve
Debian CVE
CVE-2026-81666
4 Sep 202609:46
debiancve
euvd
EUVD
EUVD-2026-70987
4 Sep 202609:46
euvd
nvd
NVD
CVE-2026-81666
4 Sep 202610:17
nvd
osv
OSV
DEBIAN-CVE-2026-81666
4 Sep 202610:17
osv
ptsecurity
Positive Technologies
PT-2026-85450
4 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-81666
4 Sep 202609:46
redhatcve
susecve
SUSE CVE
SUSE CVE-2026-81666
5 Sep 202600:24
susecve
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-81666
4 Sep 202600:00
nessus
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "corosync",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "corosync",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "corosync",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "corosync",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

04 Sep 2026 10:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.5
EPSS0.00271
10