Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-33775

Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
09/04/2026
Última modificación:
09/04/2026

Descripción

*** Pendiente de traducción *** A Missing Release of Memory after Effective Lifetime vulnerability in the BroadBand Edge subscriber management daemon (bbe-smgd) of Juniper Networks Junos OS on MX Series allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS).<br /> <br /> If the authentication packet-type option is configured and a received packet does not match that packet type, the memory leak occurs. When all memory <br /> <br /> available to bbe-smgd has been consumed, no new subscribers will be able to login.<br /> <br /> The memory utilization of bbe-smgd can be monitored with the following show command:<br /> <br /> user@host&gt; show system processes extensive | match bbe-smgd<br /> <br /> The below log message can be observed when this limit has been reached:<br /> <br /> bbesmgd[]: %DAEMON-3-SMD_DPROF_RSMON_ERROR: Resource unavailability, Reason: Daemon Heap Memory exhaustion<br /> <br /> <br /> This issue affects Junos OS on MX Series:<br /> * all versions before 22.4R3-S8,<br /> * 23.2 versions before 23.2R2-S5,<br /> * 23.4 versions before 23.4R2-S6,<br /> * 24.2 versions before 24.2R2-S2,<br /> * 24.4 versions before 24.4R2,<br /> * 25.2 versions before 25.2R2.

Referencias a soluciones, herramientas e información