CVE-2026-35092 — Corosync: corosync: denial of service via integer overflow in join message validation
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 Datag…
Published: 2026-04-01 · CVSS: 7.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7