CVE-2026-18103
Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-120
Copia de búfer sin comprobación del tamaño de entrada (Desbordamiento de búfer clásico)
Fecha de publicación:
05/08/2026
Última modificación:
06/08/2026
Descripción
*** Pendiente de traducción *** A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI (Open Management Application Programming Interface) port, especially if not secured with TSIG (Transaction Signature) key authentication, could send a specially crafted lease creation request. This request, containing an overly long InfiniBand MAC address, triggers a buffer overflow in the `print_hw_addr()` function. Successful exploitation leads to a persistent denial of service (DoS), causing the `dhcpd` service to crash and preventing it from restarting without manual intervention.
Impacto
Puntuación base 3.x
4.90
Gravedad 3.x
MEDIA