CVE-2026-35092
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Apr 01, 2026
Vendor
unknown
Description
A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets. This can cause the service to crash, leading to a denial of service. This vulnerability specifically affects Corosync deployments configured to use totemudp/totemudpu mode.