SUSE-SU-2026:21224-1 Security update for corosync

This update for corosync fixes the following issues: - CVE-2026-35091: Denial of Service and information disclosure via crafted UDP packet bsc1261299. - CVE-2026-35092: Denial of Service via integer overflow in join message validation bsc1261300...

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 Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...

CVE-2026-35092

Corosync: A vulnerability in the join message sanity validation causes an integer overflow when using totemudp/totemudpu mode. Remote, unauthenticated attackers can send crafted UDP packets to crash the service, resulting in an availability impact (DoS). No remediation details are provided in the...