Security Advisory

CVE-2026-35092

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-04-01 13:18:55

Last updated 2026-05-29 16:13:02

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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