CVE-2026-35092EPSS p68.9%
CVE-2026-35092CVE-2026-35092
corosync / corosync
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.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 1.27% probability of exploitation · percentile 68.9% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-21 |