CVE-2026-35092
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-04-01 14:16:57.237000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-35092",
"sourceIdentifier": "[email protected]",
"published": "2026-04-01T14:16:57.237",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se encontró una falla en Corosync. Una vulnerabilidad de desbordamiento de entero en la validación de integridad del mensaje de unión de Corosync permite a un atacante remoto no autenticado enviar paquetes manipulados del protocolo de datagramas de usuario (UDP). Esto puede causar que el servicio falle, lo que lleva a una denegación de servicio. Esta vulnerabilidad afecta específicamente a las implementaciones de Corosync configuradas para usar el modo totemudp/totemudpu."
}
],
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