CVE-2026-35091
HIGHDescription
A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS) and potentially disclosing limited memory contents
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 55% of all known CVEs.
References
Related Vulnerabilities
Other CWE-253 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2023-49286 | High | 8.6 | 10% | - | Fix |
| CVE-2017-7474 | Critical | 9.8 | 2.5% | - | - |
| CVE-2024-43521 | High | 7.5 | 2.4% | - | Fix |
| CVE-2020-6107 | Medium | 5.5 | 1.5% | - | Fix |
| CVE-2022-24880 | Medium | 5.3 | 1.2% | - | Fix |
| CVE-2023-24487 | Medium | 6.3 | 1.1% | - | Fix |
Embed a live status badge for CVE-2026-35091
Markdown
[](https://tridentstack.com/cve/CVE-2026-35091)HTML
<a href="https://tridentstack.com/cve/CVE-2026-35091"><img src="https://tridentstack.com/cve/badge/CVE-2026-35091.svg" alt="CVE-2026-35091"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-26.